
Knightly Valor | Enchantment | Aura | Enchant creature
When Knightly Valor enters the battlefield, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)
Enchanted creature gets +2/+2 and has vigilance. | Matt Stewart

Voidwielder | Creature | Human Wizard | When Voidwielder enters the battlefield, you may return target creature to its owner's hand. | Chase Stone

Catacomb Slug | Creature | Slug | | Nils Hamm

Destroy the Evidence | Sorcery | | Destroy target land. Its controller reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard. | Clint Cearley

Batterhorn | Creature | Beast | When Batterhorn enters the battlefield, you may destroy target artifact. | Dave Kendall

Survey the Wreckage | Sorcery | | Destroy target land. Create a 1/1 red Goblin creature token. | Warren Mahy

Rubbleback Rhino | Creature | Rhino | Hexproof (This creature can't be the target of spells or abilities your opponents control.) | Johann Bodin

Skull Rend | Sorcery | | Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random. | Greg Staples

Spawn of Rix Maadi | Creature | Horror | Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) | Min Yum

Golgari Longlegs | Creature | Insect | | Volkan Baǵa