Calumon (Digimon Card Game Deck Box Set) (EX2-045) - Digital Hazard

When you would play this card from your hand, reduce its play cost by 2 if you have [Guilmon], [Terriermon], [Renamon], or [Impmon] in play, reduce its play cost by 2.
[Your Turn] This Digimon can't attack.
[Your Turn] When one of your Digimon digivolves, you may suspend this Digimon to gain 1 memory, [Draw 1] (Draw 1 card from your deck), and have 1 of your Digimon get +3000 DP for the turn.