Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Create a 3/2 red and white Spirit creature token.

If a creature an opponent controls would die, exile it instead. , , Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

Lightning Helix deals 3 damage to any target and you gain 3 life.

When this creature enters, exile target card with a cycling ability from your graveyard. Until the end of your next turn, you may play that card. Cycling (, Discard this card: Draw a card.)

When this creature enters, you may discard a card. If you do, draw a card. Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Flying When this creature enters, exile up to two target artifacts and/or enchantments. Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

(: Add .)

Kicker (You may pay an additional as you cast this spell.) Search your library for a basic land card. If this spell was kicked, instead search your library for a basic land card and a Shrine card. Reveal those cards, put them into your hand, then shuffle. You gain 2 life.

Flying When this creature enters, creatures you control get +1/+0 and gain first strike until end of turn. Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

(: Add .)

When this creature enters, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

When this artifact enters, exile target card from a graveyard. , Sacrifice this artifact: Exile each opponent's graveyard. , , Sacrifice this artifact: Draw a card.

: Add . , Sacrifice this land: Search your library for a basic Mountain, Plains, or Swamp card, put it onto the battlefield tapped, then shuffle. Cycling (, Discard this card: Draw a card.)

Enchant creature you control Enchanted creature gets +3/+2, has haste, and attacks each combat if able. : Return Craving of Yeenoghu from your graveyard to the battlefield attached to target creature you control. Craving of Yeenoghu perpetually gains "Enchanted creature gets -1/-1." Activate only as a sorcery.

At the beginning of each upkeep, you may exile target creature card from your graveyard. If you do, create a token that's a copy of that card, except it's a Spirit in addition to its other types. Exile it at the beginning of the next end step.

Until end of turn, target creature you control becomes an Avatar in addition to its other types and gains flying, first strike, lifelink, and hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Choose one — • Destroy target attacking creature. • Airbend target creature you control. (Exile it. While it's exiled, its owner may cast it for rather than its mana cost.)

As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped. : Add or .

(: Add .) Gate to Tumbledown enters the battlefield tapped. , : Seek a nonland card. Activate only once.

Trample Whenever this creature attacks, another target creature you control gets +2/+0 and gains trample until end of turn. Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

When this enchantment enters, you may discard a card. If you do, draw two cards. , Sacrifice this enchantment: Creatures you control gain haste until end of turn.

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.

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

Draw two cards, then discard two cards. Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prototype — 3/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Reach, trample

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

(: Add or .) This land enters tapped.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

(: Add .) Gate to the Citadel enters the battlefield tapped. , : Seek a nonland card. Activate only once.

When this creature enters, destroy target nonland permanent an opponent controls.

Prototype — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying : This creature gets +1/+0 until end of turn.

Kicker (You may pay an additional as you cast this spell.) Firebending Lesson deals 2 damage to target creature. If this spell was kicked, it deals 5 damage to that creature instead.

You may discard a card. If you do, draw two cards.