Though that is of course a significant amount of money for a single card, its a very far cry from the 10k+ of its most expensive version
Monks in the D&D: Adventures in the Forgotten Realms sets incentivize you to play two spells in a turn and have some lifegain synergies, so Oji fits this two categories
Nothing wrong with making deals in EDH
Mutate For the tension between humans and mutants, a return of mutate has to be among the WotC discussions
Liar's Pendulum So, to draw a card, your opponent has to guess wrong about a card you name, and that opponent gets to find out what you have for next guess
If a player has one card or fewer in hand, it becomes prepared, and then lets you cast Wheel of Fortune to discard everyones hand and draw seven cards