Return target creature card from your graveyard to the battlefield.Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.
Grenzo, Dungeon Warden enters with X +1/+1 counters on it.: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.
Aeon Chronicler's power and toughness are each equal to the number of cards in your hand.Suspend X—. X can't be 0.Whenever a time counter is removed from Aeon Chronicler while it's exiled, draw a card.
At the beginning of your upkeep, put a spore counter on Deathspore Thallid.Remove three spore counters from Deathspore Thallid: Create a 1/1 green Saproling creature token.Sacrifice a Saproling: Target creature gets -1/-1 until end of turn.
Each Fungus creature gets +1/+1 for each spore counter on it., Exile a Fungus card from a graveyard: Put a spore counter on each Fungus on the battlefield.
Shadow (This creature can block or be blocked by only creatures with shadow.)Whenever Stronghold Rats deals combat damage to a player, each player discards a card.
Enchant permanentVanishing 3 (This Aura enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)When Reality Acid leaves the battlefield, enchanted permanent's controller sacrifices it.
When Tidehollow Sculler enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card.When Tidehollow Sculler leaves the battlefield, return the exiled card to its owner's hand.
All Slivers have ", : Regenerate target Sliver." (The next time that Sliver would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Conflagrate deals X damage divided as you choose among any number of targets.Flashback—, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.): Add ., : Draw a card. Activate only if you have the city's blessing.