Tinnia, Thorn of the Rose

Vigilance, First Strike

When Tinnia, Thorn of the Rose enters the battlefield, it fights a target creature you don't control.
Merciless Pursuer— Whenever Tinnia attacks with two or more other creatures, creatures you control gain +1/1 and trample until end of combat.

“If we don’t start stacking changeling bodies soon, I’m going to lose my mind.”