Use the official card search engine to find creatures in your colors
Now if you want to avoid pushing a rights-holder towards actions, it might be best to follow some of the unwritten rules of fan-art, namely: it doesnt claim to be, or at least cant be reasonably mistaken for, official authentic merchandise it doesnt use any existing art assets from official merchandise and therefore is 100% fan produced it doesnt interfere with the rights-holders from being able to sell their own products it isnt something that the rights-holders believes will dilute the perceived public value of their property Long time PA
To make things more complicated, not all changes are permanent additions to the games ever-changing Standard format Magic tournaments usually uses only the last two years worth of cards which means that people that saw a game once, may experience another very different set of cards and frames when they come across it again some years afterwards
By letting you rummage whenever you drop a Dwarf or Equipment, he gives you a lot of power to dig through your deck
[1] The TCG Tournament Policy v2.1 amended this policy, [2] [3] allowing a player to voluntarily activate a card or effect, or place a monster on the field in a way that would cause an infinite loop
That restraint gives the image staying power and makes it easy to recognize at a glance