Blitzball A key part of the Final Fantasy X sport that I played more than any other PS2 game I reckon, Blitzball taps for any color mana which is nice, but if you have plenty of Legendary Creature, you can use it for card draw, too
With this rat warlock as your Grixis commander, youll want to put a large number of rats into play to grow up a snail, sacrifice it, and get a lot of cards
Portable Hole can hit any nonland spells
Raccoons arent the most supported type, but if you jam some changelings and stack your deck with expensive card draw and overruns, you can turn that unassuming little army into a real fighting force thanks to getting so much mana for free
Phantom of Yubel effect could change the effect of an opponents activated monster effect to become Your opponent destroys 1 Yubel monster in their hand, Deck, or field, effectively a negation effect that could protect your opening play, or be a disruption on the opponents turn
Your assassin typal can use Virtus, but I like the idea of putting it in a Kamiz, Obscura Oculus deck