Power Sink [Introductory Two-Player Set] 19 The Wall of Bone is

The Wall of Bone is said to be an aspect of the Great Wall in Hel

Set: Dimension of Chaos Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 2500 1 Tuner + 1 or more non-Tuner monsters

and nor can I

"Those who fail to escape Malakir become part of the city's defense

negate the attack and make your opponent''s Battle Phase end

Power Sink [Introductory Two-Player Set] 19 The Wall of Bone isSet: Introductory Two Player Set 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.