Grindstone [Tempest] 173 where X is the number

where X is the number of Islands tapped this way

Set: Black & White: Boundaries Crossed Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Set: Structure Deck: Dinosmasher's Fury Card type: Normal Spell Rarity: Common Send 1 Level 4 or lower Normal Monster from your Deck to the Graveyard

Set: Legacy of Darkness Card type: Normal Trap Rarity: Ultra Rare This card can only be activated during your opponent's turn when your Life Points are 1000 or less

Grindstone [Tempest] 173 where X is the numberSet: Tempest Type: Artifact Rarity: Rare Cost: {1} {3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process. "Memory is a burden that wears at the soul as weather wears at stone." Crovax