{T}, Sacrifice a creature and a Swamp: Destroy target nonartifact creature. It can't be regenerated. {T}, Sacrifice a creature and a snow Swamp: Destroy target creature. It can't be regenerated.
Not all of Terisiare's flooding was natural . . . .
Flying, lifelink Sacrifice a creature: Put X +1/+1 counters on Vish Kal, where X is the sacrificed creature's power. Remove all +1/+1 counters from Vish Kal: Target creature gets -1/-1 until end of turn for each +1/+1 counter removed this way.
Choose one — • Target player mills four cards. • Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn. • Target artifact phases out.
Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. Flashback {8}{G}{G}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Target opponent puts a creature card of their choice from their graveyard onto the battlefield under your control. Flashback {8}{B}{B}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Exchange control of two target creatures you don't control. Flashback {8}{U}{U}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Create a 1/1 white Human creature token for each creature you control. Flashback {8}{W}{W}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
At the beginning of your upkeep, exile the top two cards of your library. Until your next end step, you may play one of those cards. At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token.
Each opponent sacrifices an artifact. For each artifact sacrificed this way, you create a Treasure token. Flashback {8}{R}{R}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
All creature cards you own with flash are instants in addition to their other types. Whenever you cast another spell with two or more card types, you may draw a card, then discard a card.
At the beginning of the Horde's first main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card. Hero's Reward — When Vitality Salve is put into a graveyard from anywhere, each player returns a creature card from their graveyard to the battlefield.
{T}: Add X mana in any combination of {U} and/or {R}, where X is Vivi Ornitier's power. Whenever you cast a noncreature spell, put a +1/+1 counter on Vivi Ornitier and it deals 1 damage to each opponent.