AncientMegatheriummon

[On Play] [When Digivolving] Trash the bottom 2 digivolution cards of all of your opponent's Digimon. None of their Digimon with no digivolution cards can suspend until the end of their turn.
[All Turns] When this Digimon would leave the battle area, you may play 1 level 4 or lower Digimon card with the [Mammal], [Ice-Snow] or [Hybrid] trait from this Digimon's digivolution cards without paying the cost.

[Alt]
DigiXros Requirements [DigiXros -2] [Kumamon] x [Korikakumon] 
When this would be played, you may place specified cards from your hand/battle area under it. Each one reduces the play cost.