Mana Crypt [Judge Gift Cards 2011] Ooze Sacrifice it at the beginning

Sacrifice it at the beginning of the next end step if it has mana value 3 or less

Set: Fifth Dawn Type: Artifact Rarity: Rare Cost: {4} You may cast spells as though they had flash

and lands your opponents control enter the battlefield tapped

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Players can't untap more than one creature during their untap steps

Mana Crypt [Judge Gift Cards 2011] Ooze Sacrifice it at the beginningSet: Judge Gift Cards 2011 Type: Artifact Rarity: Rare Cost: {0} At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.