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.
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.
Defender (This creature can't attack.)When Wall of Junk blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)
When a spell or ability an opponent controls causes you to discard Metrognome, create four 1/1 colorless Gnome artifact creature tokens., : Create a 1/1 colorless Gnome artifact creature token.
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.
At the beginning of your upkeep, you may put a verse counter on Lilting Refrain.Sacrifice Lilting Refrain: Counter target spell unless its controller pays , where X is the number of verse counters on Lilting Refrain.
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.)
Enchant SwampWhen enchanted land becomes tapped, destroy it.When Spreading Algae is put into a graveyard from the battlefield, return Spreading Algae to its owner's hand.