Counter target spell.

Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

When Covert Cutpurse enters the battlefield, destroy target creature you don't control that was dealt damage this turn.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Covert Technician deals combat damage to a player, you may put an artifact card with mana value less than or equal to that damage from your hand onto the battlefield.

Whenever you discard a card, you may exile that card from your graveyard.

, : Draw a card, then discard a card.

: Put a card exiled with Currency Converter into your graveyard. If it's a land card, create a Treasure token. If it's a nonland card, create a 2/2 black Rogue creature token.

Search your library for an instant card and/or a sorcery card, reveal them, put them into your hand, then shuffle.

Creatures your opponents control lose flying until end of turn if was spent to cast this spell, and creatures you control gain flying until end of turn if was spent to cast this spell. (Do both if was spent.)

Devoid (This card has no color.)

Flying

When Inverter of Truth enters the battlefield, exile all cards from your library face down, then shuffle all cards from your graveyard into your library.

You may have Lazotep Convert enter the battlefield as a copy of any creature card in a graveyard, except it's a 4/4 black Zombie in addition to its other colors and types.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

, Pay 2 life: Add one mana of any color.

, , Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Flying

Vertex Paladin's power and toughness are each equal to the number of creatures you control.

Defender

Whenever Vertigo Spawn blocks a creature, tap that creature. That creature doesn't untap during its controller's next untap step.