Energy Beacon

{w}{u}{b}: Put a Power Counter on Energy Beacon
{u/b}{w/b}: Select one:
-Destroy up to one target creature you don't
control.
-Tap up to two target permanents you don't
control.
-Return up to one creature from your graveyard
to the battlefield tapped.
If Energy Core has at least six Power Counters
on it, replace each instance of the phrase "up to
x" with "each" in the above abilities.