Maze Rusher | Creature | Elemental | Haste
Multicolored creatures you control have haste. | Yeong-Hao Han
Riot Piker | Creature | Goblin Berserker | First strike
Riot Piker attacks each combat if able. | Christopher Moeller
Rubblebelt Maaka | Creature | Cat | Bloodrush — {R}, Discard Rubblebelt Maaka: Target attacking creature gets +3/+3 until end of turn. | Eric Velhagen
Smelt-Ward Gatekeepers | Creature | Human Warrior | When Smelt-Ward Gatekeepers enters the battlefield, if you control two or more Gates, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. | Daarken
Viashino Firstblade | Creature | Viashino Soldier | Haste
When Viashino Firstblade enters the battlefield, it gets +2/+2 until end of turn. | Matt Stewart
Nivix Cyclops | Creature | Cyclops | Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender. | Wayne Reynolds
Zhur-Taa Druid | Creature | Human Druid | {T}: Add {G}.
Whenever you tap Zhur-Taa Druid for mana, it deals 1 damage to each opponent. | Mark Winters