Galerider Sliver | Creature | Sliver | Sliver creatures you control have flying. | James Zapata
Merfolk Spy | Creature | Merfolk Rogue | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Merfolk Spy deals combat damage to a player, that player reveals a card at random from their hand. | Matt Cavotta & Richard Whitters
Quicken | Instant | | The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.)
Draw a card. | Aleksi Briclot
Sensory Deprivation | Enchantment | Aura | Enchant creature
Enchanted creature gets -3/-0. | Steven Belledin
Spell Blast | Instant | | Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.) | Jaime Jones
Tome Scour | Sorcery | | Target player mills five cards. | Steven Belledin