This is a cycle of cards I thought up based on Hand of Justice from fallen empires. A card I have always liked but is too weak even for casual play.
Avatar of Justice

Creature-Avatar

, Tap three white creatures you control: Remove target creature from the game.
2/5
Avatar of Savagery

Creature- Avatar

, Tap three green creatures you control: Destroy target
noncreature permanent.
4/4
Avatar of Rage

Creature - Avatar

, Tap three red creatures you control: Do X damage to target creature or player where X is the combined creature's power.
5/2
Avatar of Madness

Creature - Avatar

, Tap three black creatures you control: Target player discards three cards at random.
4/3
Avatar of Thought

Creature- Avatar

, tap 3 blue creatures you control:
Draw 7 cards.1/3Let me know what you think! I think the blue is the best but I'm not sure if it's overpowered or not, it may just look good on paper like Shared Discovery does.
Edit: Changes in bold.