Standard MTG sets

This land enters tapped unless you control a basic land. {T}: Add {U}. {2}{U}, {T}: Draw a card, then discard a card.

This artifact enters tapped. {T}: Add X mana of any one color, where X is the greatest number of creatures you control that have a creature type in...

Defender Other permanents you control have indestructible.

Equipped creature has "{1}, {T}: Tap target creature. Return Trusty Boomerang to its owner's hand." Equip {1} ({1}: Attach to target creature you c...

{1}, {T}: Scry 2. Whenever you scry or surveil, look at the top card of your library. You may cast that card without paying its mana cost. Do this ...

At the beginning of your first main phase, choose one that hasn't been chosen and you lose 2 life — • Draw a card. • Put a +1/+1 counter on Zuko. •...

Vigilance Other Allies you control get +1/+1.

When Toph enters, you may discard a card. If you do, return target instant or sorcery card from your graveyard to your hand. Whenever you cast a sp...

Menace, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Other Allies you control have menace and prowe...

Vigilance Whenever Sokka and at least one other creature attack, draw a card.

When Sokka enters, discard up to two cards, then draw that many cards. Whenever you cast an artifact or Lesson spell, put a +1/+1 counter on Sokka.

Flash When this creature enters, create a 1/1 white Ally creature token.

Whenever you sacrifice another permanent, put a +1/+1 counter on this creature. When this creature dies, you may exile it. When you do, return targ...

Defender When this creature enters, mill two cards. (Put the top two cards of your library into your graveyard.) As long as there is a Lesson card ...

Whenever another creature you control or a land you control is put into a graveyard from the battlefield, put a +1/+1 counter on target creature yo...

Vigilance, reach When The Lion-Turtle enters, you gain 3 life. The Lion-Turtle can't attack or block unless there are three or more Lesson cards in...

Vigilance When Katara enters, create a 1/1 white Ally creature token. Waterbend {X}: Creatures you control have base power and toughness X/X until ...

If a triggered ability of an Ally you control triggers, that ability triggers an additional time.

Vigilance You may look at the top card of your library any time. You may cast Ally spells from the top of your library. Sacrifice Hakoda: Creatures...

When Jet enters, he deals damage equal to the number of creatures you control to target creature an opponent controls. When Jet dies, put a +1/+1 c...

When Iroh enters, create a Food token. At the beginning of combat on your turn, you may have target opponent gain control of target permanent you c...

Firebending 2 During your turn, each non-Lesson instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card'...

When Guru Pathik enters, look at the top five cards of your library. You may reveal a Lesson, Saga, or Shrine card from among them and put it into ...

Firebending X, where X is Fire Lord Zuko's power. (Whenever this creature attacks, add X {R}. This mana lasts until end of combat.) Whenever you ca...