DKA: Mikaeus, the Unhallowed Book Whenever you sacrifice a green

Whenever you sacrifice a green creature

each of which has a special ability that only that player can use

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DKA: Mikaeus, the Unhallowed Book Whenever you sacrifice a greenIntimidate (This creature can't be blocked except by artifact creatures and or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non Human creatures you control get +1 +1 and have undying. (When a creature with undying dies, if it had no +1 +1 counters on it, return it to the battlefield under its owner's control with a +1 +1 counter on it.)