Archfiend's Strategy Game
Spell
Field
Fiend monsters in the Extra Monster Zone gain 1000 ATK.
You can activate 1 of these effects;
● Banish 1 Fiend monster or "Archfiend" card from your hand or GY; add 1 "Archfiend" card from your Deck to your hand, except a Field Spell.
● Add 1 "Archfiend" Pendulum Monster from your Deck to your Extra Deck face-up.
You can only use this effect of "Archfiend's Strategy Game" once per turn.