Power Sink [Beta Edition] Unlimited Edition When there are no creatures

When there are no creatures on the battlefield

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {3} {2}

its power and toughness are each equal to the number of Forests defending player controls

Set: Zendikar Type: Creature — Elemental Rarity: Rare Cost: {3}{U}{U}{U} Flying

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {1}{B} Black creatures get +1/+1

Power Sink [Beta Edition] Unlimited Edition When there are no creaturesSet: Beta Edition Type: Instant Rarity: Common Cost: {X}{U} Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.