Oake, Ursine Elder

Oake, Ursine Elder has burial X where X is
the greatest power among creatures you control.
{2}{g}: Target creature you control gets +2/+2
and gains trample and shroud until end of turn. Activate this ability only any time you could cast
a sorcery.
Sacrifice Oake: Creatures you control gain indestructible until end of turn.