Scriv, the Obligator

Flying, deathtouch
Whenever Scriv enters or attacks, create a white Aura enchantment token named Contract attached to target creature an opponent controls. The token has enchant creature and "Whenever enchanted creature attacks, it gets +2/+0 until end of turn if it's attacking one of your opponents. Otherwise, its controller loses 2 life."

Inkling Mascot

Repartee — Whenever you cast an instant or sorcery spell that targets a creature, this creature gains flying until end of turn. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)