Detonate [HA01-EN028] Super Rare BT10-094 Set: Structure Deck: Machine Reactor

Set: Structure Deck: Machine Reactor Card type: Field Spell Rarity: Common Both players can Normal Summon "Ancient Gear" monsters for 1 less Tribute

destroy this card unless you reveal 1 Iron Core of "Koa'ki Meiru" in your hand

you may delete 1 of your [Diaboromon] to reduce this card's play cost by 12

or [DexDoruGreymon]

Detonate [HA01-EN028] Super Rare BT10-094 Set: Structure Deck: Machine ReactorSet: Hidden Arsenal Card type: Quick Play Spell Rarity: Super Rare Attack: 0 Defense: 0 Destroy all face up "Kuribohs" and "Kuriboh Tokens" you control. along with a number of card you opponent controls, up to the number of "Kuriboh" and "Kuriboh Tokens" destroyed by this effect.