Metallicdramon (EX3-053 SR) [Draconic Roar]

Product Details

[On Play] [De-Digivolve 1] all of your opponent's Digimon. Then, delete 1 of your opponent's Digimon with a play cost of 5 or less. If no Digimon is deleted by this effect, none of your opponent's unsuspended Digimon can digivolve until the end of your opponent's turn.
[Opponent's Turn] While you have a Tamer in play, this Digimon gains [Blocker] and [Reboot].