You may have Spark Double enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.
When Protean Hulk dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle.
Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.
Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)Whenever you tap a Swamp for mana, add an additional .
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)Whenever you tap a Swamp for mana, add an additional .
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)Whenever you tap a Swamp for mana, add an additional .
: Exile target land card from a graveyard. Add one mana of any color., : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life., : Exile target creature card from a graveyard. You gain 2 life.
FlyingWhenever Lord of the Void deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.
Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.
Enchant ForestAs Utopia Sprawl enters, choose a color.Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.
Sacrifice three white creatures: Exile target creature.Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)Whenever you tap a Swamp for mana, add an additional .
Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council., Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.
Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council., Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.
Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.
Flying, trampleWhenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.
Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.
Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.