This sounds like a fantastic game plan in Commander decks like The Capitoline Triad and Karn, Legacy Reforged, which tend to play haymakers like Metalwork Colossus, Krang, Utrom Warlord, Meteor Golem, and more
The problem is famous enough that many of Magic s competitors through the years have tried adding mechanics to eliminate it
Other Cards to Know FIN has the full cycle of ten Town dual lands: There are a few additional colorless mana fixing cards: Theres also a cycle of common landcyclers: And, of course, Green has additional mana fixing spells: Creatures with Reach
The deck generally needs to protect Shirei at all costs because without it, youre just a deck with a bunch of bad 1-power creatures
The requirements to create a massive payoff appear to be far too difficult to enable