Biomancer's Familiar [Ravnica Allegiance Prerelease Promos] Nastiest Whenever you roll {CHAOS}

Whenever you roll {CHAOS}

leaving nothing but the great Worms' mucous residues

Set: Commander 2016 Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {2}{R}{W} Indestructible

you may pay {W/B}

enchantments

Biomancer's Familiar [Ravnica Allegiance Prerelease Promos] Nastiest Whenever you roll {CHAOS}Set: Ravnica Allegiance Prerelease Promos Type: Creature Mutant Rarity: Rare Cost: {G}{U} Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1 +1 counters on it.