Foundations Jumpstart

Legendary Creature — Human Soldier

Vigilance
Heroic — Whenever you cast a spell that targets Brigone, put a +1/+1 counter on Brigone.
{T}, Remove a +1/+1 counter from Brigone: Draw a card.

Brigone, Soldier of Meletis

Double strike
Heroic — Whenever you cast a spell that targets Cleon, exile the top card of your library. You may play that card until the end of your next turn.

Cleon, Merry Champion

Creature — Human Soldier

Flying
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Akroan Skyguard

Heroic — Whenever you cast a spell that targets this creature, you may tap target creature.

Elite Skirmisher

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature and prevent all damage that would be dealt to it this turn.

Favored Hoplite

Creature — Cat Cleric

Heroic — Whenever you cast a spell that targets this creature, return target creature card with mana value 2 or less from your graveyard to the battlefield.

Tethmos High Priest

Creature — Human Knight

Wingsteed Rider

Soldier

Heroic — Whenever you cast a spell that targets this creature, create a 1/1 red Soldier creature token with haste. (It can attack and {T} as soon as it comes under your control.)

Akroan Crusader

Creature — Human

Heroic — Whenever you cast a spell that targets this creature, target creature an opponent controls can't block this turn.

Arena Athlete

Creature — Satyr Soldier

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Satyr Hoplite

Mystery Booster 2

First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede & Kynaios and Tiro, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

Anax and Cymede & Kynaios and Tiro

Dominaria United Commander

Kobolds of Kher Keep

Rosnakht, Heir of Rohgahh

Legendary Creature — Kobold Warrior

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Heroic — Whenever you cast a spell that targets Rosnakht, create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Double Masters 2022

Creature — Human Warrior

Heroic — Whenever you cast a spell that targets this creature, this creature deals 2 damage to any target.

Labyrinth Champion

Creature — Centaur Warrior

Heroic — Whenever you cast a spell that targets this creature, put three +1/+1 counters on this creature.

Centaur Battlemaster

The List

Creature — Centaur Scout

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.

Lagonna-Band Trailblazer

Cat Soldier

Creature — Cat Soldier

Vigilance
Heroic — Whenever you cast a spell that targets this creature, create a 1/1 white Cat Soldier creature token with vigilance.

Vanguard of Brimaz

First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede, creatures you control get +1/+1 and gain trample until end of turn.

Anax and Cymede

Secret Lair Drop

Creature — Human Wizard

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.
Remove all +1/+1 counters from this creature: For each five counters removed this way, take an extra turn after this one.

Sage of Hours

Ultimate Masters

Aura spells you cast cost {1} less to cast.
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Hero of Iroas

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on each creature you control.

Phalanx Leader

Heroic — Whenever you cast a spell that targets this creature, you may pay {X}. If you do, put X +1/+1 counters on this creature.

Hero of Leina Tower

Heroic — Whenever you cast a spell that targets this creature, put two +1/+1 counters on this creature.

Staunch-Hearted Warrior

Journey into Nyx

Flying, lifelink
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature.

Dawnbringer Charioteers

Creature — Cat Monk

Heroic — Whenever you cast a spell that targets this creature, destroy target enchantment creature an opponent controls.

Leonin Iconoclast

Each instant and sorcery spell you cast costs {1} less to cast for each creature it targets.
Heroic — Whenever you cast a spell that targets this creature, this creature gains hexproof until end of turn.

Battlefield Thaumaturge

Creature — Merfolk Soldier

Heroic — Whenever you cast a spell that targets this creature, you may return target enchantment to its owner's hand.

Triton Cavalry

Creature — Siren Soldier

War-Wing Siren

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.
Whenever a +1/+1 counter is put on this creature, remove a +1/+1 counter from target creature an opponent controls.

Bloodcrazed Hoplite

Heroic — Whenever you cast a spell that targets this creature, this creature gets +2/+0 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Akroan Line Breaker

Pheres-Band Thunderhoof

Born of the Gods

Creature — Siren

Flying
Heroic — Whenever you cast a spell that targets this creature, scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Chorus of the Tides

Heroic — Whenever you cast a spell that targets this creature, look at the top three cards of your library. You may reveal an enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Meletis Astronomer

Heroic — Whenever you cast a spell that targets this creature, exile the top three cards of target player's library.
{U}{U}, Sacrifice this creature: Counter target spell with the same name as a card exiled with this creature.

Mindreaver

Heroic — Whenever you cast a spell that targets this creature, each opponent discards a card.

Ashiok's Adept

Creature — Human Shaman

Heroic — Whenever you cast a spell that targets this creature, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.

Akroan Conscriptor

Creature — Satyr Warrior

Setessan Oathsworn

Friday Night Magic 2014

This creature enters tapped.
Heroic — Whenever you cast a spell that targets this creature, each opponent loses 1 life. You gain life equal to the life lost this way.

Tormented Hero

Theros

Double strike
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.

Fabled Hero

Creature — Human Cleric

Heroic — Whenever you cast a spell that targets this creature, you gain 2 life.

Setessan Battle Priest

Heroic — Whenever you cast a spell that targets this creature, you may have this creature become a copy of target creature, except it has this ability.

Artisan of Forms

Heroic — Whenever you cast a spell that targets this creature, draw a card.

Triton Fortune Hunter

Creature — Merfolk Wizard

Heroic — Whenever you cast a spell that targets this creature, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Wavecrash Triton

Creature — Human Assassin

Deathtouch
Heroic — Whenever you cast a spell that targets this creature, each opponent sacrifices a creature of their choice.

Agent of the Fates

Legendary Creature — Human Warrior

Heroic — Whenever you cast a spell that targets Anthousa, up to three target lands you control each become 2/2 Warrior creatures until end of turn. They're still lands.

Anthousa, Setessan Hero

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature, then scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)