one piece card game colors explained Color Identity and The What Color Should I Play

The other category is made up of game-warping threats

Servant of the Conduit: [Category 2] ETB yield is 2 Energy for 2 mana, then you can spend 1 Energy to get one mana of any color

They are a 5/5 for one of each color with a nice suite of vigilance, trample, and haste, giving you power right away

This is great in loads of places too

It gets cost reduction based on the number of sacrificed permanents, and there are lots of ways to increase that count

Tribal Unity Rarity: Uncommon TYPE: Instant SUBTYPE: - CMC: 3 Mana cost: USD: $0.44 EUR: 0.19 TIX: 0.06 EDHREC RANK: 16882 Creatures of the creature type of your choice get +X/+X until end of turn