Catastrophe Cannon (BT5-104) [Battle of Omni]

[Main] Trigger <De-Digivolve 2> on 1 of your opponent's Digimon (Trash up to 2 cards from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards). Then if you have a [Diaboromon] in play, you may play 1 [Diaboromon] Token without paying its memory cost. (Diaboromon Tokens are level 6 white Digimon with a memory cost of 14, 3000 DP, and are Mega form, Unidentified type, and Unknown attribute.)