This is the 8th alternate art of Red-Eyes and one of the harder cards to pull from the set
Legendary Artifact Color tag templates(None) Arcane Signet : Add one mana of any color in your commander's color identity
For example, if I target my own Phyrexian Missionary with Deadly Derision MTGA asks, Hey, dude, are you, like, totally sure you wanna do that!? Probably not a bad idea to leave this option On if you're new to MTGA (or playing while tired/bottle-feeding/otherwise distracted), but a lot of times what youre trying to do does make sense, so turn it off if you find Arena second-guessing you too much
Monster Effect:If this card is Summoned: Equip it to a monster on either player's side of the field
In line with this, "waking up" Dragulas is a bad idea, for if it is flipped face-up, its effect sends a card on the field to the Graveyard