Crawlspace [Urza's Legacy] RC1 This effect cannot be activated

This effect cannot be activated if there is a face-up Treeborn Frog on your side of the field

Set: Astral Pack 5 Card type: Effect Monster Rarity: Ultimate Rare Attack: 1800 Defense: 200 Once per turn

Set: EX: Legend Maker Type: Colorless Rarity: Holo Rare Retreat cost: 0

Set: EX: Unseen Forces Type: Psychic Rarity: Ultra Rare Retreat cost: 0

Crawlspace [Urza's Legacy] RC1 This effect cannot be activatedSet: Urza's Legacy Type: Artifact Rarity: Rare Cost: {3} No more than two creatures can attack you each combat. The goblins did not understand their attraction to the mana rig. They simply knew it was where they belonged.