[On Play] You may place 2 cards with the [Mineral] or [Rock] trait from your trash as 1 of your [Mineral] or [Rock] trait Digimon's bottom digivolution cards.
[Rule] Trait: Has [Mineral] Type.

When effects trash this card from a [Mineral] or [Rock] trait Digimon's digivolution cards, delete 1 of your opponent's Digimon with a play cost of 4 or less.