1 Jace's Sanctum
The Reality Chip is a fun option that's both an artifact creature and an equipment, but opens the next card in your library up to be used and cast.
Odd that a card themed around illness can make so many feel so good
The card shows the art director, complete with a riding crop, overseeing artists chained down and forced to illustrate
If you have just Rotpriest and Ivy in play, and you cast Shore Up and Aspirants Ascent on Rotpriest, your opponent will then receive four poison counters
Then youve got the likes of Flaming Fist, which gives commander creatures you control Double Strike when they attack, or Noble Heritage, which gives commander creatures you control an ability that reads: When this creature enters the battlefield and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control