The Enigma Jewel costs only one mana to cast, but its craft cost is and it requires four other nonland permanents with activated abilities as craft materials
Legendary Creature - Homunculus Draw (CTRL to add secondary) Finisher Okaun, Eye of Chaos Partner with Zndrsplt, Eye of Wisdom (When this creature enters, target player may put Zndrsplt into their hand from their library, then shuffle.) At the beginning of combat on your turn, flip a coin until you lose a flip
1 My favorite color combo is Rakdos, but Gruul is pretty close
1 Salamangreat Almiraj 1 Insect Shinobi Hagakuremino 1 Union Carrier 1 Seraphim Papillion 1 Traptrix Allomerus 1 Number 70: Malevolent Sin 1 Missus Radiant 1 Digital Bug Corebage 1 Digital Bug Rhinosebus 1 Number 3: Cicada King 1 Number 31: Embodiment of Punishment 1 Number 13: Embodiment of Crime 1 Linkuriboh 1 Defender of the Labyrinth 1 Barricadeborg Blocker Deck 3: Insect Deck Featuring Giant Ballpark A Deck utilizing Insect Normal Monsters, such as Gokibore
Im also a pretty big fan of Magnemite and Magneton , who is a self-sufficient Pokemon that can put an Energy on itself every turn on top of the Energy card you choose to dish out