Elemental HERO Stratos [OP09-EN001] Ultimate Rare Continuous Trap up to the number of

up to the number of "HERO" monsters you control

and more take on new forms in service of a new form of Gaia the Dragon Champion that stacks an extra 2600 ATK on to itself every time it wins a battle and can expend exactly that much ATK to destroy any card on the field without a fight

or monster effect

The Rise of the Duelist booster set contains 100 new cards:

Elemental HERO Stratos [OP09-EN001] Ultimate Rare Continuous Trap up to the number ofSet: OTS Tournament Pack 9 Card type: Effect Monster Rarity: Ultimate Rare Attack: 1800 Defense: 300 When this card is Normal or Special Summoned: You can activate 1 of these effects. Destroy Spells Traps on the field, up to the number of "HERO" monsters you control, except this card. Add 1 "HERO" monster from your deck to your hand.