Mindscour Dragon | Creature | Dragon | Flying
Whenever Mindscour Dragon deals combat damage to an opponent, target player mills four cards. | Wesley Burt
Sage-Eye Avengers | Creature | Djinn Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Sage-Eye Avengers attacks, you may return target creature to its owner's hand if its power is less than Sage-Eye Avengers's power. | Dan Scott
Shifting Loyalties | Sorcery | | Exchange control of two target permanents that share a card type. (Artifact, creature, enchantment, land, and planeswalker are card types.) | James Ryman
Supplant Form | Instant | | Return target creature to its owner's hand. You create a token that's a copy of that creature. | Adam Paquette
Will of the Naga | Instant | | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. | Wayne Reynolds
Silumgar, the Drifting Death | Legendary Creature | Dragon | Flying, hexproof
Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn. | Steven Belledin