Drain Power [Unlimited Edition] Magic 2013 Set: Tenth Edition Type: Creature

Set: Tenth Edition Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G} Lands you control have "{T}: Add one mana of any color

Set: Commander 2016 Type: Instant Rarity: Uncommon Cost: {U} Return target nonland permanent to its owner's hand

As dangerous in the gambling hall as he is in battle

and he suddenly sensed he wasn't the only Planeswalker that Malfegor had encountered

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {1}{U} Take an extra turn after this one

Drain Power [Unlimited Edition] Magic 2013 Set: Tenth Edition Type: CreatureSet: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {U}{U} Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.