Theo and Mack

First Strike, Menace
When Theo and Mack enters the battlefield, create
X X/X white Friend Goat creature tokens with
"{6}, Sacrifice this creature: All creatures you control
gain a keyword of your choice."
{w}{r}{g}{ut}: Permanents you control gain, "{ut}: This permanent loses this ability."
{x}: Deal twice X damage to a quarter X creatures
or players, rounded up.