Since less-supported types also tend to have fewer creatures in their card pool overall, they might have certain blind spots on their mana curve or list of key effects, and they probably cannot produce many on-type creature tokens to most efficiently benefit from team-wide buffs
As such a four colour card should be about two mana higher than the curve
Thicker and sturdier than sleeves, preferred for grading
Use the text tool to add the card's name, type, and a text box to the template
Historically, Cabal Therapy has paired with other discard spells and Gitaxian Probe so you have a better chance of getting a look at the opponents hand before casting it, but for Cabal Therapist thats another layer of setup and another deckbuidling restriction for a card that clearly wants to be paired with a high density of creatures or token generators so you can fuel the ability turn after turn to force your opponent to spew their spells quickly or lose them
(2020-08-07) While Arixmethes is a land, it's still green and blue, it's still legendary, and its mana value is still 4
