Wilds of Eldraine

Belligerent of the Ball | Creature | Ogre Warrior | Celebration — At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.) | Pascal Quidault

Twisted Fealty | Sorcery | | Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Wicked Role token attached to up to one target creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) | Mila Pesic

Imodane's Recruiter | Creature | Human Knight | When Imodane's Recruiter enters the battlefield, creatures you control get +1/+0 and gain haste until end of turn. | Nestor Ossandon Leal

Totentanz, Swarm Piper | Legendary Creature | Human Warlock Bard | Whenever Totentanz, Swarm Piper or another nontoken creature you control dies, create a 1/1 black Rat creature token with "This creature can't block." {1}{B}: Target attacking Rat you control gains deathtouch until end of turn. | Matt Stewart