Create a 1/1 colorless Pilot creature token with "This token crews Vehicles as though its power were 2 greater." Crew 8 (Tap any number of creatures you control with total power 8 or more: This Vehicle becomes an artifact creature until end of turn.) Legendary Artifact - Vehicle Color tag templates(None) Smuggler's Copter Flying Whenever this Vehicle attacks or blocks, you may draw a card
Both conventions mentioned above are also practiced in Malta which once used Portuguese-suited decks
While this might not seem like much, it has almost completely stripped the market of supply
Dead-Iron Sledge Rarity: Uncommon TYPE: Artifact SUBTYPE: Equipment CMC: 1 Mana cost: USD: $0.32 EUR: 0.18 TIX: 0.03 EDHREC RANK: 19428 Whenever equipped creature blocks or becomes blocked by a creature, destroy both creatures
Another thing to think about is not really color balance, but rather fairness balance
Deficient Color Layers: If you read the article on how MTG cards are made, you'll learn that the cards are printed in several layers