mtg commander frog deck Best Grolnok, the Omnivore COMMANDER DECK

It's notable that Blue Zombies are often called Skaabs, which is a Scottish term from the late 1800s meaning the bottom of the sea

Attacking twice in a single turn before your opponent can properly set up defenses could be devastating

Crystal Chaos

When you do, this Siege deals X plus 2 damage to any other target, where X is the number of cards revealed this way

This is something I'd like to side in, not maindeck

Not only does he grant them vigilance, a useful ability considering how great Treefolk are on defense, but he also lets them generate two green mana each when they take advantage of that vigilance and attack