Felix's Dog

Indestructible, haste, vigilance, deathtouch, doublestrike, trample
When Felix's Dog enters the battlefield, add a
love counter for each creature you control.
Felix's Dog's power and toughness are equal to
the amount of love counters you control.
If Felix's Dog would leave the battlefield, instead return it to its owners hand.
{10}{w}{w}{u}{u}{b}{b}{r}{r}{g}{g} Sacrifice Felix's
Dog: You win the game.