Combine that with fast mana from Eternal formats and you can get initiative on turn 1
Sure, other cards do that, but this is superefficient and replaces itself
25 The All-Seeing Eye (Eye Of Ugin) Some cards are notorious for allowing game-breaking amounts of power to enter the battlefield early in the game
This can be used for attack or defense: either proliferate +1/+1 counters to make his allies stronger, or proliferate a poison counter to damage an enemy further
These include Versions (see all the art/foil/promo options, or just most recent) , Display (show card images or a table of text) , and Quantity (amount in your collection, including zero)
Bizarrely, you can even force the controlled player to play a land or sacrifice one like Abandoned Outpost for mana