Once per turn, during the Standby Phase: Target 1 "Archfiend" monster on the field
MTG: Arena does a really great job of not only making itself accessible by having a really great tutorial sequence and giving you a great starting collection for free, but it has an amazing setup for earning rewards and giving you reason to explore every inch of the games different formats and styles of play including most notably competitive play
This could be for you if your deck consistently has enough creatures to convoke it for 1 or 0 mana
So, I think that's an instant draw
Finally, colorless cards, such as some artifacts, do not have any colored mana requirements but still require a general amount of mana to be spent to play
The strong magnetic closure keeps the lid firmly shut, giving you confidence that your cards are safe whether youre transporting your deck to a tournament, storing it on a shelf, or carrying it in a backpack