Crystal Beast Topaz Tiger [FOTB-EN004] Ultimate Rare Yami yugi Set: Duelist Pack: Dimensional Guardians

Set: Duelist Pack: Dimensional Guardians Card type: Normal Spell Rarity: Ultra Rare Activate 1 of these effects

or Special Summoned by sending the above monsters you control to the Graveyard (in which case you do not use "Polymerization")

you can send 1 card from the top of your Deck to the Graveyard to Special Summon this card from your hand

if you would Tribute a monster(s) for a Tribute Summon

Crystal Beast Topaz Tiger [FOTB-EN004] Ultimate Rare Yami yugi Set: Duelist Pack: Dimensional GuardiansSet: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1000 If this card attacks an opponent's monster, it gains 400 ATK during the Damage Step only. If this face up card is destroyed while it is in a Monster Card Zone, you can place it face up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.