Guilds of Ravnica

Intrusive Packbeast | Creature | Beast | Vigilance When Intrusive Packbeast enters the battlefield, tap up to two target creatures your opponents control. | Jason Felix

Venerated Loxodon | Creature | Elephant Cleric | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When Venerated Loxodon enters the battlefield, put a +1/+1 counter on each creature that convoked it. | Zack Stella

Garrison Sergeant | Creature | Viashino Soldier | Garrison Sergeant has double strike as long as you control a Gate. | Gabor Szikszai

Rosemane Centaur | Creature | Centaur Soldier | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Vigilance | Nils Hamm

Trostani Discordant | Legendary Creature | Dryad | Other creatures you control get +1/+1. When Trostani Discordant enters the battlefield, create two 1/1 white Soldier creature tokens with lifelink. At the beginning of your end step, each player gains control of all creatures they own. | Chase Stone