Standard MTG sets

Untap this artifact during each other player's untap step. {T}: Add one mana of any color.

Counter target spell unless its controller pays {2}.

Kicker {4} (You may pay an additional {4} as you cast this spell.) Firebending Lesson deals 2 damage to target creature. If this spell was kicked, ...

({T}: Add {U}.)

Airbend target nonland permanent. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cost.) Draw a card.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponent...

{T}: Untap another target permanent you control. Waterbend {3}, {T}: Tap target creature an opponent controls. (While paying a waterbend cost, you ...

Waterbend {5}: Look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your...

({T}: Add {B}.)

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Choose one — • Destroy target artifact or enchantment. • Put a +1/+1 counter on target creature you control. It gains indestructible until end of t...

If there are three or more Lesson cards in your graveyard, you may cast this spell as though it had flash. This spell costs {1} less to cast for ea...

Target creature you control gets +2/+2 until end of turn. If that creature is an Ally, it also gains flying until end of turn.

{1}: Add one mana of any color. Activate only once each turn. {5}, {T}, Sacrifice this artifact: It deals 5 damage to target creature.

Nontoken artifacts you control are lands in addition to their other types. (They don't gain the ability to {T} for mana.) At the beginning of your ...

Affinity for Allies (This spell costs {1} less to cast for each Ally you control.) Up to two target creatures you control each deal damage equal to...

Choose one — • Iroh's Demonstration deals 1 damage to each creature your opponents control. • Iroh's Demonstration deals 4 damage to target creature.

When this creature dies, you gain 3 life. {2}, Sacrifice this creature: Destroy up to one target artifact or enchantment.

Whenever this creature becomes tapped, you gain 1 life and scry 1. (Look at the top card of your library. You may put it on the bottom.)

Choose one— • Create a token that's a copy of target creature you control, except it's not legendary and it's a 4/4 Hero in addition to its other t...

When this Equipment enters, airbend up to one target creature. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cos...

Vigilance Sacrifice this creature: Another target Ally you control gains indestructible until end of turn. (Damage and effects that say "destroy" d...

When this creature enters, earthbend 2. (Target land you control becomes a 0/0 creature with haste that's still a land. Put two +1/+1 counters on i...