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Creature Wraith Knight Deathtouch When Nazgl enters the battlefield, the Ring tempts you
This wants you to maximize the black pips of your stuff and is great with a very heavy black Commander like Ayara, First of Locthwain
The tradeoff for ramping this way when compared to mono green mana ramp is that your ramp usually comes from the opportunity to play extra lands in your hand or that you draw rather than searching your deck for them
Greven, Predator Captains built-in draw engine is among the strongest in Rakdos, another huge plus for a commander
Remember, a card has to be able to draw at minimum two cards on its own before we'll call it card draw. The following are fine examples of cantripping colorless cards, but not necessarily the type of card draw we're focusing on: Chromatic Sphere Fountainport Bell Vexing Bauble Mishra's Bauble Relic of Progenitus Solemn Simulacrum Library of Alexandria Library of Alexandrias power level is such that it's banned in almost every sanctioned format except Vintage, where it's restricted
