If a creature you control connives, you draw a card, then discard a card
Beyond its primary function, it offers a range of features that can help you manage your collection more efficiently
To be perfectly honest, in most cases it's the availability of cards rather than the price
Custom special-form effects like Mega Vortex, Alolan Shore, Galarian Steam, Paldean Terastal, Distortion Rift, Time Gears, Spatial Crack, and Prism Stars
While it's a fantastic way to make sure you only hit non-lands when you attack with Narset, if anything happens you can easily find yourself out of the game if you ever need to hit another land drop
In fact, one of proliferates main uses in the latest Mirrodin block was to proliferate poison counters and kill opponents