Mikaeus, the Unhallowed [Secret Lair Drop Series] Nightmare Horse its controller adds an additional

its controller adds an additional one mana of the chosen color

Guru of Spores enters the battlefield with five +1/+1 counters on it

000 Type: Instant Rarity: Rare Cost: {8}{B}{B}{R} This spell costs {1} less to cast for each creature that died this turn

each Play Booster contains:

Put an additional counter of that kind on that permanent

Mikaeus, the Unhallowed [Secret Lair Drop Series] Nightmare Horse its controller adds an additionalSet: Secret Lair Drop Series 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