Nidhoggmon (BT4-062) - Great Legend Foil

[When Digivolving] [Digi-Burst 4] (Trash 4 of this Digimon's digivolution cards to activate the effect below.)
• Suspend all of your opponent's Digimon with 5000 DP or less. Then, place all of your opponent's suspended Digimon at the bottom of their owner's decks in any order. Trash all of the digivolution cards of those Digimon.