Put 1 in your hand, and put the rest at the bottom of your deck
Everything is up to you
What's a Hecatomb, you ask
In theory, Rogue's should have even less spare exp floating around, so if this is really just the green Cryptic Research then it's terrible, right
If you reanimate it or cheat it into play with cards like Sneak Attack when you control fewer non-islands, all you get is a big creature on the field
P-215 P Digimon Lv.4 Icemon Color Blue Black Cost 5 DP 6000 Digivolve Cost 1 BlueBlack 3 from Lv.3 Form Champion Attribute Data Type Ice-Snow Card Text 1 [Special Digivolution Condition] [Digivolve] Lv.3 w/[Ice-Snow]/[Mineral]/[Rock] trait: Cost 2 [Effect] [When Moving] [On Play] [When Digivolving] By placing 1level 4 or lower [Ice-Snow], [Mineral] or [Rock] trait card from your hand or trash as this Digimon's bottom digivolution card, until your opponent's turn ends, their effects can't return 1 of your [Ice-Snow], [Mineral] or [Rock] trait Digimon to hands or decks or affect it with De-Digivolve effects