Mikaeus, the Unhallowed (Borderless Profile) [Commander Masters] Kraken Whenever Kroxa enters the battlefield

Whenever Kroxa enters the battlefield or attacks

you may pay 4 life rather than pay this spell's mana cost

You may look at and play that card for as long as it remains exiled

(You still pay its costs

" —The Biblioplex: An Introduction

Mikaeus, the Unhallowed (Borderless Profile) [Commander Masters] Kraken Whenever Kroxa enters the battlefieldSet: Commander Masters Type: Legendary Creature Zombie Cleric Rarity: Mythic Cost: {3}{B}{B}{B} Intimidate (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