Power Sink (Shawn "Hammer" Regnier) [Pro Tour Collector Set] RC5 What walks on four legs

What walks on four legs in the morning

Set: Dark Revelation Volume 3 Card type: Normal Spell Rarity: Super Rare Attack: 0 Defense: 0 Until the end of this turn

you can Normal Summon 1 Psychic-Type monster in addition to your Normal Summon or Set

Set: Planeshift Type: Creature — Specter Rarity: Rare Cost: {2}{U}{B} Flying

Set: The Infinity Chasers Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 2800 During damage calculation

Power Sink (Shawn "Hammer" Regnier) [Pro Tour Collector Set] RC5 What walks on four legsSet: Pro Tour Collector 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.