hydra deck mtg commander EDH Deck Atraxa, Grand Unifier 100 Magic Cards – Moonveil Games double the number of +1/+1 counters on each creature you control. Magic: The Gathering: The Strongest

With both of its abilities synergizing excellently with each other, there's very little room for improvement for a 3-mana creature like Vivi Ornitier

Yuna, Grand Summoner, is the decks backup commander and plays into the counter theme impressively

Sami, Wildcat Captain (Red/White

This upgradeable Spacecraft commander puts the focus on boosting your robot followers with counters, then applying proliferate effects to ratchet up the devastation

Jolly Roger Hooks Ship | Location I dont think this card is going to see a lot of play in serious, serious decks (its not the most powerful location out there) but it certainly opens up the potential for pirate-themed decks to be a real thing post Into the Inklands

The new Play Booster is a direct evolution, taking the best parts of its predecessors