Second, being more expensive can be an advantage to a threshold card because that gives you time to get the requisite cards into your graveyard assuming that you're being rewarded for all your extra effort
Village Rites Village Rites is a great newer option for black draw at instant speed, at the cost of a creature sacrifice and 1 black mana
Notable Cards: Reprints and $$ Prosper, Tome-Bound Grim Hireling Death Tyrant Karazikar, the Eye Tyrant Lorcan, Warlock Collector Vandalblast Bedevil Disrupt Decorum Bucknard's Everfull Purse Fellwar Stone 100-card ready-to-play Adventures in the Forgotten Realms (AFR) Commander deck Deck includes 2 traditional foils 98 nonfoil cards 1 foil etched Display Commander 10 double-sided tokens life tracker and deck box Reduced-plastic packaging The Best of the Best The Best Investment My safest bet would be Aura of Courage as the best investment
Even so, the odds of pulling Thought Vessel in a deck of 99 (excluding the commander, who goes into the command zone) are slim, so adding Reliquary Tower can increase your odds of having a limitless hand size
Here is every chase card worth pulling, ranked, and what to expect from prices in launch week