
Aspiring Aeronaut | Creature | Human Artificer | Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aspiring Aeronaut enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. | Willian Murai

Deep-Sea Terror | Creature | Serpent | Deep-Sea Terror can't attack unless there are seven or more cards in your graveyard. | Marco Nelor

Faerie Miscreant | Creature | Faerie Rogue | Flying
When Faerie Miscreant enters the battlefield, if you control another creature named Faerie Miscreant, draw a card. | Steven Belledin

Maritime Guard | Creature | Merfolk Soldier | | Allen Williams

Nivix Barrier | Creature | Illusion Wall | Flash (You may cast this spell any time you could cast an instant.)
Defender (This creature can't attack.)
When Nivix Barrier enters the battlefield, target attacking creature gets -4/-0 until end of turn. | Mathias Kollros

Ringwarden Owl | Creature | Bird | Flying (This creature can't be blocked except by creatures with flying or reach.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Titus Lunter

Scrapskin Drake | Creature | Zombie Drake | Flying (This creature can't be blocked except by creatures with flying or reach.)
Scrapskin Drake can block only creatures with flying. | Kev Walker

Screeching Skaab | Creature | Zombie | When Screeching Skaab enters the battlefield, mill two cards. | Clint Cearley

Separatist Voidmage | Creature | Human Wizard | When Separatist Voidmage enters the battlefield, you may return target creature to its owner's hand. | Jason Rainville

Watercourser | Creature | Elemental | {U}: Watercourser gets +1/-1 until end of turn. | Mathias Kollros