Chalice of the Void [Mirrodin] Oldschool Whenever a creature enters the

Whenever a creature enters the battlefield under an opponent's control

Some fiendish mage had created a horrifying wall of living flesh

Set: Alpha Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {B} Enchant land

Underground River deals 1 damage to you

Set: Dragons of Tarkir Type: Legendary Planeswalker — Sarkhan Rarity: Mythic Cost: {2}{G}{U}{R} +1: Draw a card

Chalice of the Void [Mirrodin] Oldschool Whenever a creature enters theSet: Mirrodin Type: Artifact Rarity: Rare Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.