Mervamon

When you would play this card, you can also place cards from your trash in digivolution cards for a DigiXros.
[On Play] [When Digivolving] You may play 1 purple level 4 or lower Digimon card or 1 level 4 or lower Digimon card with the [Xros Heart] trait from your trash without paying the cost. If DigiXrosing, add 1 to the number of cards you play with this effect.
[All Turns] All of your Digimon with the [Xros Heart] trait or with ＜Retaliation＞ gain ＜Rush＞ (This Digimon can attack the turn it comes into play.) and ＜Blocker＞ (This Digimon can block in the blocker timing.).

[Alt]
DigiXros Requirements [DigiXros -3] 1 Digimon card w/[Xros Heart] trait
When this would be played, you may place specified cards from your hand/battle area under it. Each one reduces the play cost.