{U}: Regenerate Spiny Starfish. At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.
Flying {U}, Exile the top card of your library: Tap target creature with flying. {U}, Exile the top card of your library: If the exiled card is a snow land, Storm Elemental gets +1/+1 until end of turn.
Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell. Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn. Draw a card at the beginning of the next turn's upkeep.
Cumulative upkeep—Exile the top card of your library. When a player doesn't pay Thought Lash's cumulative upkeep, that player exiles all cards from their library. Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.
{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 . . . .
{2}{R}, Exile a creature card from your graveyard: Create a 3/1 black and red Graveborn creature token with haste. Sacrifice it at the beginning of the next end step.
You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost. Distribute two -2/-1 counters among one or two target creatures.
Whenever Diseased Vermin deals combat damage to a player, put an infection counter on it. At the beginning of your upkeep, Diseased Vermin deals X damage to target opponent previously dealt damage by it, where X is the number of infection counters on it.
An opponent chooses one — • You draw three cards. • You destroy up to two target creatures that player controls. They can't be regenerated. That player draws up to three cards.
"All knowledge has its price." —Gerda Äagesdotter, Archmage of the Unseen