Guandi, Brotherhood Incarnate

Guandi, Brotherhood Incarnate's power and Toughness are equal to the number of creatures
you control.
Bounty - If you attacked with a creature this turn, Guandi costs {2} less to cast.
At the beginning of your precombat phase, target creature gains +X/+X, Haste, and Trample,
where X is the number of creatures you control.