Kars, Ultimate Lifeform

Changeling (This card is every creature type.)

Whenever another creature enters under your
control, if it has greater power or toughness than
Kars, Ultimate Lifeform put an Eon counter on
that creature and a +1/+1 counter on Kars,
Ultimate Lifeform.

Kars, Ultimate Lifeform has all activated
abilities of creatures you control with Eon counters
on them.