Planar Collapse [Urza's Legacy] DP04 Whenever an opponent casts a

Whenever an opponent casts a multicolored spell

Set: Tactical Evolution Card type: Effect Monster Rarity: Secret Rare Attack: 1700 Defense: 600 Once per turn

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn

Set: Battles of Legend: Relentless Revenge Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 3000 2 Level 8 monsters If this card has a "Photon" card as Xyz Material

Planar Collapse [Urza's Legacy] DP04 Whenever an opponent casts aSet: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {1}{W} At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They can't be regenerated. With heavy heart, Urza doused one world's light to rekindle another's.