The Aeon Mesa

Whenever a counter is removed from The
Aeon Mesa, it deals X damage to you, where
X is the number of age counters plus the
number of stun counters on The Aeon Mesa.

{t}: Add {c}.

Place a stun counter on The Aeon Mesa: Add
one mana of any color. Activate only if The
Aeon Mesa was untapped during the last
upkeep step. Tap The Aeon Mesa if it's
untapped.