At the beginning of your upkeep, you may put a verse counter on Serra's Liturgy., Sacrifice Serra's Liturgy: Destroy up to X target artifacts and/or enchantments, where X is the number of verse counters on Serra's Liturgy.
Vebulid enters with a +1/+1 counter on it.At the beginning of your upkeep, you may put a +1/+1 counter on Vebulid.When Vebulid attacks or blocks, destroy it at end of combat.
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.): Add . Target opponent gains control of Witch Engine. (Activate only as an instant.)
At the beginning of your upkeep, you may put a verse counter on Vile Requiem., Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can't be regenerated.
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.: Pestilence deals 1 damage to each creature and each player.
At the beginning of your upkeep, you may put a verse counter on Recantation., Sacrifice Recantation: Return up to X target permanents to their owners' hands, where X is the number of verse counters on Recantation.
At the beginning of your upkeep, Bulwark deals X damage to target opponent, where X is the number of cards in your hand minus the number of cards in that player's hand.
When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)
FlyingWhenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.
At the beginning of your upkeep, you may put a verse counter on Rumbling Crescendo., Sacrifice Rumbling Crescendo: Destroy up to X target lands, where X is the number of verse counters on Rumbling Crescendo.
Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.