Grandfather Oak

Whenever an opponent activates an ability of a creature, put a +1/+1 counter on Grandfather
Oak and gain a life.———
{1}{g}: Each opponent creates a 0/1 green
Treefolk creature token with "Sacrifice this
creature: Scry 1."{line}{line}{line}
{x}{u}: Choose X abilities of different creatures
target opponent controls which do not cost mana
to activate. That opponent pays the activation
costs and activates those abilities.