mtg proliferate commander deck Decks & More Blue Green - Huge Creatures - Modern Legal - Custom Built - Magic The Gathering - MTG and then proliferating to make the creatures huge (Mowu ENERGY and PROLIFERATE Commander Deck

And it also allows you to swing in with Ur-Dragon for lethal in 1 swing, dealing a massive 30 damage, making this a 1-card combo with the commander

Legends are a hot commodity in modern Magic design, so theres no shortage of payoffs

The obvious synergy here is for Sevinne, the ChronoclasmSevinne, the Chronoclasm and Karador, Ghost ChieftainKarador, Ghost Chieftain decks, where you will be getting at least one Spirit a turn

Best Selesnya Token Commanders (Rhys the Redeemed, Trostani Discordant, and Emmara, Soul of the Accord) Selesnya was really the first optimized selection of colors for token decks in Commander (then EDH), and credit for that falls squarely on Rhys the Redeemed

You can put those Squirrels to work thanks to Chatterfangs ability, which lets you spend one black mana and to sacrifice as many Squirrels as you like to give a creature +X/-X