Each of the Godzilla Challenger Series decks includes a different Mechagodzilla card
Urza's Saga Enchantment Land Urza's Saga (As this Saga enters and after your draw step, add a lore counter
Bant Rhythm (1.9% of the Winner's Metagame) 4 Sewer-veillance Cam 4 Badgermole Cub 4 Bloom Tender 4 Brightglass Gearhulk 4 Stormchaser's Talent 4 Botanical Sanctum 4 Hallowed Fountain 4 Starting Town 4 Temple Garden 4 Boomerang Basics 4 Nature's Rhythm 3 Seam Rip 2 Nurturing Pixie 2 Breeding Pool 2 Floodfarm Verge 1 Mockingbird 1 The Jolly Balloon Man 1 Hushwood Verge 1 Plains 1 Willowrush Verge 1 Cryogen Relic 1 Shardmage's Rescue 3 Erode 2 Disdainful Stroke 2 Sage of the Skies 2 Spell Pierce 2 Aang, Swift Savior 1 Seam Rip 1 Meltstrider's Resolve 1 Soul-Guide Lantern 1 Shardmage's Rescue Bant Rhythm relies heavily on the mana acceleration from Badgermole Cub to flood the battlefield with cheap creatures while ramping toward a game-ending payoff
Sin Collector is also a totally reasonable card depending on what you are trying to block (or hit)
As long as Avacyn sticks around, all your permanents gain indestructible , which shuts off most board wipes and makes combat far less favorable for opponents
Preferably ~4 each of Electabuzz, Hitmonchan, and Scyther are reasonable options here