Teenage Mutant Ninja Turtles

Creature — Human Citizen

Vigilance
Channel — {6}, Discard this card: Put a +1/+1 counter on each creature you control. Draw a card.

Action News Crew

Tarkir: Dragonstorm Commander

Legendary Enchantment Creature — Snake Druid

{1}{G}, {T}, Return Shigeki to its owner's hand: Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard.
Channel — {X}{X}{G}{G}, Discard this card: Return X target nonlegendary cards from your graveyard to your hand.

Shigeki, Jukai Visionary

Foundations Jumpstart

Enchantment Creature — Human Samurai

Vigilance (Attacking doesn't cause this creature to tap.)
Channel — {2}, Discard this card: Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Sunblade Samurai

Duskmourn: House of Horror Commander

Enchantment Creature — Dog

Trample
Channel — {2}{G}, Discard this card: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Greater Tanuki

Wilds of Eldraine Commander

Human Monk

Enchantment — Aura

Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +1/+3 and has reach and "{T}: Add {G}{G}."
Channel — {1}{G}, Discard this card: Create a 1/1 green Human Monk creature token with "{T}: Add {G}."

Careful Cultivation

The Brothers' War Commander

Artifact

{1}{U}, Sacrifice this artifact: Draw two cards.
Channel — {U}, Discard this card: Draw a card.

Mnemonic Sphere

Game Day Promos

Enchantment

When this enchantment enters, exile up to one target artifact or creature until this enchantment leaves the battlefield.
Channel — {1}{W}, Discard this card: Exile target artifact or creature. Return it to the battlefield under its owner's control at the beginning of the next end step.

Touch the Spirit Realm

Kamigawa: Neon Dynasty

Pilot

Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +1/+1 for each creature and/or Vehicle you control.
Channel — {2}{W}, Discard this card: Create two 1/1 colorless Pilot creature tokens with "This token crews Vehicles as though its power were 2 greater."

Born to Drive

Artifact Creature — Crab

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

Mirrorshell Crab

{T}, Tap an untapped artifact or creature you control: Add {C}.
Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

Moonsnare Prototype

Artifact Creature — Moonfolk Rogue

Channel — {3}{U}, Discard this card: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step.

Saiba Trespassers

Kamigawa: Neon Dynasty Promos

Legendary Land

{T}: Add {G}.
Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

Boseiju, Who Endures

{T}: Add {W}.
Channel — {2}{W}, Discard this card: It deals 4 damage to target attacking or blocking creature. This ability costs {1} less to activate for each legendary creature you control.

Eiganjo, Seat of the Empire

{T}: Add {U}.
Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

Otawara, Soaring City

Spirit

Sokenzan, Crucible of Defiance

{T}: Add {R}.
Channel — {3}{R}, Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control.

{T}: Add {B}.
Channel — {3}{B}, Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

Takenuma, Abandoned Mire

Artifact Creature — Boar

Trample, haste
Channel — {1}{R}, Discard this card: Target creature gets +3/+1 and gains trample until end of turn.

Ironhoof Boar

Artifact Creature — Human Samurai

Haste
At the beginning of your end step, return this creature to its owner's hand.
Channel — {1}{R}, Discard this card: Draw a card.

Reinforced Ronin

Artifact Creature — Goblin Archer

Reach
When this creature enters, it deals 2 damage to any target.
Channel — {1}{R}, Discard this card: It deals 2 damage to any target.

Twinshot Sniper

Enchantment Creature — Snake Archer

Defender, reach
Channel — {4}{G}, Discard this card: Destroy target creature with flying.

Bamboo Grove Archer

Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +3/+3 and has reach.
Channel — {1}{G}, Discard this card: Target creature gets +3/+3 and gains reach until end of turn.

Favor of Jukai

Enchantment Creature — Human Druid

When this creature enters, put a +1/+1 counter on target creature you control.
Channel — {2}{G}, Discard this card: Put a +1/+1 counter on each of up to two target creatures you control.

Jukai Preserver

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature or Vehicle you control.
Channel — {X}{G}{G}, Discard this card: Put X +1/+1 counters on target land you control. It becomes a 0/0 green Spirit creature with haste. It's still a land.

Roaring Earth

Enchantment Creature — Turtle

Flying, ward {2}
Channel — {2}{G}, Discard this card: Return target card from your graveyard to your hand.
Channel — {1}{U}, Discard this card: Return target creature to its owner's hand.

Colossal Skyturtle

Modern Horizons 2

Creature — Spirit

Flying
{2}{U}: Another target creature gains flying until end of turn.
Channel — {X}{U}, Discard this card: X target creatures gain flying until end of turn.

Ghost-Lit Drifter

Commander 2021

Legendary Creature — Spirit

{X}{G}, {T}: Arashi deals X damage to target creature with flying.
Channel — {X}{G}{G}, Discard this card: It deals X damage to each creature with flying.

Arashi, the Sky Asunder

The List

All creatures able to block this creature do so.
Channel — {2}{G}{G}, Discard this card: All creatures able to block target creature this turn do so.

Shinen of Life's Roar

{4}{B}, {T}: Target player discards two cards. Activate only as a sorcery.
Channel — {5}{B}{B}, Discard this card: Target player discards four cards. Activate only as a sorcery.

Ghost-Lit Stalker

Salvat 2005

Haste
Channel — {R}, Discard this card: Target creature gains haste until end of turn.

Shinen of Fury's Fire

Saviors of Kamigawa Promos

{2}{R}, {T}: This creature deals 2 damage to target creature.
Channel — {3}{R}, Discard this card: It deals 4 damage to target creature.

Ghost-Lit Raider

Saviors of Kamigawa

{W}, {T}: You gain 2 life.
Channel — {1}{W}, Discard this card: You gain 4 life.

Ghost-Lit Redeemer

First strike
Channel — {1}{W}, Discard this card: Target creature gains first strike until end of turn.

Shinen of Stars' Light

{3}{U}, {T}: Counter target spell unless its controller pays {2}.
Channel — {3}{U}, Discard this card: Counter target spell unless its controller pays {4}.

Ghost-Lit Warder

Flying
Channel — {U}, Discard this card: Target creature gains flying until end of turn.

Shinen of Flight's Wings

This creature can't block.
Channel — {1}{B}, Discard this card: Target creature can't block this turn.

Shinen of Fear's Chill

{X}{R}, {T}: Jiwari deals X damage to target creature without flying.
Channel — {X}{R}{R}{R}, Discard this card: It deals X damage to each creature without flying.

Jiwari, the Earth Aflame

{2}{G}, {T}: Target creature gets +2/+2 until end of turn.
Channel — {3}{G}, Discard this card: Target creature gets +4/+4 until end of turn.