Wall of Stone (Retro) [30th Anniversary Edition] Lightning return up to one target

return up to one target creature you control with lesser mana value to its owner's hand

Set: Secret Lair: From Cute to Brute Type: Legendary Creature — Human Druid Rarity: Mythic Cost: {G}{U} Whenever you tap a nonland permanent for mana

Slivers are often seen toying with enemies they capture

Other Assassins you control get +1/+1

Then that player loses all unspent mana and you add the mana lost this way

Wall of Stone (Retro) [30th Anniversary Edition] Lightning return up to one targetSet: 30th Anniversary Edition Type: Creature Wall Rarity: Uncommon Cost: {1}{R}{R} Defender (This creature can't attack.) The Earth herself lends her strength to these walls of living stone, which possess the stability of ancient mountains. These mighty bulwarks thwart ground based troops, providing welcome relief for weary warriors who defend the land.