Tyrant Red Dragon Archfiend [DPDG-EN030] Ultra Rare Duel Power you may have him deal

you may have him deal 1 arcane damage to up to any 2 targets

then target 1 Effect Monster your opponent controls

where X is the damage dealt by Sonic Boom

1-2 - Lose 2 [Life]

Tyrant Red Dragon Archfiend [DPDG-EN030] Ultra Rare Duel Power you may have him dealSet: Duelist Pack: Dimensional Guardians Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 3500 Defense: 3000 2 Tuners + 1 or more non Tuner monsters Must be Synchro Summoned, and cannot be Special Summoned by other ways. You can only use each of these effects of "Tyrant Red Dragon Archfiend" once per turn. During your Main Phase 1: You can destroy all other cards on the field, also, for the rest of this turn, other monsters you control