For example, you can blink more stuff with Ephemerate, and protect more creatures and draw more extra cards with Shelter
In-universe, it adds a level of danger to the duels, but it's really just the same game with a race added to it
Despite this, it is still a very useful card to have, as it only costs one ink to play, or can be turned into ink, and can count as a cost of three to sing songs
They are tournament prizes, prototypes or private gifts
(Reminder text is any italicized text in parentheses that explains rules you already know.) Can Duh destroy a creature if another version of it exists with reminder text

Lower Text Partition (black Lv.4 & yellow Lv.4) (When this Digimon with each of the specified digivolution cards would leave the battle area other than by your effects or a battle, you may play 1 each of the specified cards without paying the costs.) Promo Info BOOSTER BEGINNING OBSERVER [BT-16] CLOSECLOSE BT16-064 R Digimon Lv.6 Dorugoramon Color Black Purple Form Mega Attribute Data Type Beast Dragon/X Antibody/SoC DP 12000 Cost 12 Digivolve Cost 1 4 from Lv.5 Digivolve Cost 2 4 from Lv.5 Upper Text [Digivolve] Lv.5 w/[DoruGreymon] in name or w/[SoC] trait: Cost 3 Collision (During this Digimon's attack, all of your opponent's Digimon gain Blocker, and the opponent blocks if able.) [When Digivolving] If a Tamer card with the [SoC] trait is in this Digimon's digivolution cards, delete 1 of your opponent's unsuspended Digimon or Tamers