Gentry, Proud Father

Partner with Wally and Conrad, Twins of Chaos
(When this creature enters the battlefield, target player
may put Wally and Conrad, Twins of Chaos into their
hand from their library, then shuffle.)
At the beginning of combat on your turn,
flip a coin until you lose a flip.
Whenever a player wins a coin flip, double
Gentry's power and toughness until end of turn.
"Know what I'm saying?" ~ Gentry