The monsters, called the "Painters", focus on banishing themselves via the effects granted by their support cards, the "Canvases", in order to activate their effects, and can Special Summon themselves back to the field during the player's next Standby Phase
If a Fusion Monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead
However, I never seemed to reach the point in the story where this became relevant, though I am learning it was in the trailer for 1.0 and I simply did not know it
Card Text 2 [Inherited Effect] [Opponent's Turn] While this Digimon has [Machine] in its traits, it gains Reboot
Basically, there are two common cases that can be construed as "missing the timing": If the condition to activate a card that has " When " AND " you can " in its text could have been met, but the LAST thing to occur in a series of sequential (meaning, not simultaneous ) events is NOT what is stated in that card text, then it'll miss the timing
As well as 13 exclusive cards (some of which were later made into real cards), the game featured The Rockets Trap, a trainer card from the Gym Heroes set, and Recycle Energy, a card from the Neo Genesis set