Master of Manipulation

Hexproof

At the beginning of each combat, goad target creature.

Whenever attackers are declared, target attacking creature gains +3/+3 and trample until end of turn.
If you are being attacked by at least one creature, target attacking creature gets -3/-3 until end of turn.

Whenever blockers are declared, target creature gains deathtouch. Creatures blocking creatures you control lose deathtouch.