Walrein ex (99/108) [EX: Power Keepers] Phantom Darkness You must also offer monsters

You must also offer monsters whose total Level Stars equal 7 or more as a Tribute from the field or your hand

Set: Starter Deck: Yugi Reloaded Card type: Effect Monster Rarity: Common Attack: 300 Defense: 200 During your opponent's turn

Must be Special Summoned (from your hand) by having 6 or more monsters with different Attributes in the GYs

Set: The Infinity Chasers Card type: Link/Effect Monster Rarity: Super Rare Attack: 1000 1 non-Link "Infinitrack" monster If this card is sent from the field to the GY: You can target 1 Xyz Monster you control

Set: Skyridge Type: Lightning Rarity: Rare

Walrein ex (99/108) [EX: Power Keepers] Phantom Darkness You must also offer monstersSet: EX: Power Keepers Type: Water Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless