Theros

Ephara's Warden | Creature | Human Cleric | {T}: Tap target creature with power 3 or less. | Zack Stella

Breaching Hippocamp | Creature | Horse Fish | Flash (You may cast this spell any time you could cast an instant.) When Breaching Hippocamp enters the battlefield, untap another target creature you control. | Christopher Burdett

Coastline Chimera | Creature | Chimera | Flying {1}{W}: Coastline Chimera can block an additional creature this turn. | Dan Scott

Cavern Lampad | Enchantment Creature | Nymph | Bestow {5}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Enchanted creature gets +2/+2 and has intimidate. | Volkan Baǵa

Disciple of Phenax | Creature | Human Cleric | When Disciple of Phenax enters the battlefield, target player reveals a number of cards from their hand equal to your devotion to black. You choose one of them. That player discards that card. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) | John Severin Brassell

Returned Centaur | Creature | Zombie Centaur | When Returned Centaur enters the battlefield, target player mills four cards. | Lucas Graciano

Borderland Minotaur | Creature | Minotaur Warrior | | Greg Staples

Ill-Tempered Cyclops | Creature | Cyclops | Trample {5}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) | Peter Mohrbacher

Nylea's Disciple | Creature | Centaur Archer | When Nylea's Disciple enters the battlefield, you gain life equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) | Trevor Claxton

Staunch-Hearted Warrior | Creature | Human Warrior | Heroic — Whenever you cast a spell that targets Staunch-Hearted Warrior, put two +1/+1 counters on Staunch-Hearted Warrior. | Greg Staples