Avatar: The Last Airbender Jumpstart Front Cards

Card

Powerful

Avatar: The Last Airbender Eternal

Legendary Creature — Fish Spirit

Whenever Tui and La become tapped, draw a card.
Whenever Tui and La become untapped, put a +1/+1 counter on them.

Tui and La, Moon and Ocean

Nyla, Shirshu Sleuth

Clue

Legendary Creature — Mole Beast

When Nyla enters, exile up to one target creature card from your graveyard. If you do, you lose X life and create X Clue tokens, where X is that card's mana value. (A Clue token is an artifact with "{2}, Sacrifice this token: Draw a card.")
At the beginning of your end step, if you control no Clues, return target card exiled with Nyla to its owner's hand.

Legendary Creature — Dragon

Flying
Whenever Fang attacks, another target legendary creature you control gets +X/+0 until end of turn, where X is Fang's power.
When Fang dies, if he wasn't a Spirit, return this card to the battlefield under your control. He's a Spirit in addition to his other types.

Fang, Roku's Companion

Legendary Creature — Serpent

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

The Terror of Serpent's Pass

Final Fantasy Promos

Artifact — Equipment

Equipped creature gets +3/+2.
Whenever equipped creature deals combat damage to a player, draw a card, then you may cast a spell from your hand with mana value less than or equal to that damage without paying its mana cost.
Equip {2}

Buster Sword

Final Fantasy Commander

Creature — Elemental

When this creature enters, destroy all artifacts and enchantments. Put a +1/+1 counter on this creature for each permanent destroyed this way.

Bane of Progress

Secret Lair Drop

Creature — Dog

Other Dogs you control get +1/+1.
Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.