According to the in-game rule, you have to sacrifice 3 cards, but you can use it as the strongest normal monster
Special Summon 1 "Kashtira" monster with a different Attribute from your Deck in Defense Position, also for the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck, except Xyz Monsters
Grovyle's Sunshine Grace and Grotle's Sun-Drenched Shell provide unparalleled Pokmon search
BT11-069 R Digimon Lv.5 MetalGreymon (X Antibody) Color Black Red Cost 8 DP 8000 Digivolve Cost 1 BlackRed 4 from Lv.4 Form Ultimate Attribute Virus Type Cyborg/X Antibody Card Text 1 [Special Digivolution Condition] [Digivolve] 1 from [MetalGreymon] [Effect] [When Digivolving] Until the end of your opponent's turn, this Digimon can't have its DP reduced by your opponent's effects, and isn't affected by De-Digivolve effects
Some see it as an auto-include alongside Treasure commanders, but its more likely to be a good hate piece against artifact decks
Should I crack and regrade my Pokemon cards