Id recommend playing for no more than 40 minutes, so that you wont fight after the game
BOOSTER BOX
Dark Magical Circle allowed you to Banish a Monster anytime a Dark Magician was Summoned, which was incredibly easy for Dark Magician decks to do
Rolling a 3 or 4 lets you Special Summon 1 monster from your graveyard, allowing for helpful support in the mid to late game
In the context of a game played with creatures where card advantage and selection are game-defining, though, it was absurd, and was banned in Standard in 2017 and in Pioneer in 2019
This card's inherited effect reads "When an opponent's Digimon with no digivolution cards would digivolve," so even in the case of a DNA digivolution where there are 2 of the target opponent's Digimon, the digivolution cost only increases by 1 with this effect because the digivolution only occurs once