The Grand Calcutron [Unstable] Merfolk Warrior Set: Battle for Zendikar Type:

Set: Battle for Zendikar Type: Creature — Eldrazi Rarity: Rare Cost: {2}{B}{R} Devoid (This card has no color

Whenever Geist of Saint Traft attacks

It's not known whether the Thran built the device to forge their wonders or to defend them

If you cast this spell during your main phase

Clash with an opponent

The Grand Calcutron [Unstable] Merfolk Warrior Set: Battle for Zendikar Type:Set: Unstable Type: Legendary Artifact Rarity: Mythic Cost: {W}{U} The Grand Calcutron can be your commander. When The Grand Calcutron enters the battlefield, each player's hand becomes a program (an ordered row of revealed cards). Players can only play the first card of their program. If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead. At the beginning of each player's