Until end of turn, whenever a creature enters the battlefield under your control, you may have it fight target creature you don't control.
Create a 1/1 green Snake creature token with deathtouch.
Entwine—2G, Put two -1/-1 counters on a creature you control. (Do both if you paid the entwine cost.) The Trial of Strength houses all sorts of deadly creatures.
Mandate of the Pits G
Sorcery [U]
Choose one —
The Trial of Strength houses all sorts of deadly creatures.