This card's "This Digimon gains all effects of cards with [Gammamon] in their names in this Digimon's digivolution cards" effect is an [All Turns] effect, so it will activate as soon as the digivolution is confirmed
Now you can display your graded PSA Pokemon cards without breaking the bank
The higher density of reactive spells you can feasibly foretell and then leave hanging in exile also puts a very real psychological burden on opponents, as they have to start playing around a bunch of very cheap and effective answers without knowing exactly which ones lie in wait
As an aside, since it's level 8, it's easier to use Blue-Eyed than Red-Eyes
Whether youre chasing a Base Set Charizard or a card from a more recent Sword & Shield expansion, having options is key
Regardless, Im looking forward to Disney Lorcana now in part because I love games and in part because I love the idea of one that is an in-person, communal activity that doesnt involve screens