whenever you Proliferate, choose any creatures on the battlefield and add one counter of every type the creature has to itself
Zendikar Rising has slammed the price of a few cards, however, turning them into new budget choices
This drawback eliminates the ability to counter spells and reduces Arcane Proxy to a common advantage creature
While you can build around it, I doubt that particular deck is likely to be one of the best, and the drawback gets a lot worse once people side in instant speed enchantment removal to really punish you
The London Mulligan system (current standard) lets you draw seven each time, then put cards equal to your mulligan count on the bottom of your library
This card was so important in the history of Pokmon TCG that it was reprinted in Sword/Shield: Celebrations , which celebrated the 25th anniversary of the franchise