Core Set 2019

Leonin Vanguard | Creature | Cat Soldier | At the beginning of combat on your turn, if you control three or more creatures, Leonin Vanguard gets +1/+1 until end of turn and you gain 1 life. | Aaron Miller

Novice Knight | Creature | Human Knight | Defender (This creature can't attack.) As long as Novice Knight is enchanted or equipped, it can attack as though it didn't have defender. | Yongjae Choi

Rustwing Falcon | Creature | Bird | Flying | Paul Scott Canavan

Gearsmith Prodigy | Creature | Human Artificer | Gearsmith Prodigy gets +1/+0 as long as you control an artifact. | Deruchenko Alexander

Mistcaller | Creature | Merfolk Wizard | Sacrifice Mistcaller: Until end of turn, if a nontoken creature would enter the battlefield and it wasn't cast, exile it instead. | Ryan Yee

Diregraf Ghoul | Creature | Zombie | Diregraf Ghoul enters the battlefield tapped. | Dave Kendall

Stitcher's Supplier | Creature | Zombie | When Stitcher's Supplier enters the battlefield or dies, mill three cards. | Chris Seaman

Vampire Neonate | Creature | Vampire | {2}, {T}: Each opponent loses 1 life and you gain 1 life. | Daarken

Goblin Motivator | Creature | Goblin Warrior | {T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.) | Johann Bodin

Hungering Hydra | Creature | Hydra | Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.) | Daarken

Wall of Vines | Creature | Plant Wall | Defender (This creature can't attack.) Reach (This creature can block creatures with flying.) | John Stanko