Nemeses Keystone [ROTD-EN029] Super Rare U-WTR215 this card gains ATK equal

this card gains ATK equal to the combined Ranks of all Xyz Monsters currently on the field x 200

select and destroy 1 face-up monster on the field with an original ATK that is less than the ATK of this card

you can Special Summon 1 "Elemental Hero" monster from your Graveyard that was destroyed by battle

You can only use each effects of "Chaos Space" once per turn

Go again 5-6 - Gain [2 Resource]

Nemeses Keystone [ROTD-EN029] Super Rare U-WTR215 this card gains ATK equalSet: Rise of the Duelist Card type: Effect Monster Rarity: Super Rare Attack: 700 Defense: 0 You can target 1 of your banished monsters, except "Nemeses Keystone"; Special Summon this card from your hand, and if you do, shuffle that target into the Deck. During the End Phase, if this card is currently banished, and was banished this turn: You can add this card to your hand. You can only use each effect of "Nemeses Keystone" once per turn.