DP22-JP023 Earthbound Overwalker Ultra Rare
If you control a Synchro Monster and have a Synchro Monster in your GY: You can Special Summon this card from your hand. During your Main Phase: You can add 1 "Earthbound Immortal" monster from your Deck or GY to your hand. If an "Earthbound Immortal" monster is Normal Summoned while you control this monster: You can have your opponent's LP become 3000. You can only use each effect of "Earthbound Overwalker" once per turn.