You get an easy cantrip and some energy
Add red mana based on the roll's result." (Red text added 9/5 & applies in-game 9/13) We determined the optimal deck of 10 sticker sheets, then found out how much mana a random selection of three of those sheets would yield, and converted it into a D20 roll: There are differences between tabletop and MTGO - the mana amount is determined when the trigger resolves (not known in advance) and these Goblins all have the same name (#EchoingDecay)
These have a 0.5% inclusion rate as your 4th card, and 2% as your 5th card: Decidueye ex Wishiwashi ex Lunala ex Passimian ex Alolan Muk ex Acerola Ilima Kiawe Guzma Decidueye ex (rainbow border) Wishiwashi ex (rainbow border) Lunala ex (rainbow border) Passimian ex (rainbow border) Alolan Muk ex (rainbow border) Last, but not least, the next rarest cards after Golden Rares, Immersives, Shinies, and Full Art EX 'mons or Trainers are your standard Full Art cards
The effect can also be flavorful, bringing to life a concept in an intuitive, natural way (such as copying a creature after you harness its DNA, like in Dino DNA)
The best part is that this excellent bird commander will give your tokens double strike at some point to close the game in the blink of an eye