Inspired by Atir

Equipped creature has ": Add one mana of any color." Equip

Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it. : Put a +1/+1 counter on target creature.

Vivid — : For each color among permanents you control, add one mana of that color.

, : Double the number of each kind of counter on target permanent. ( is the untap symbol.)

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.