That's fine in everyday life, but not here on Modern Nexus, so I did some digging
It creates a complex chain of interactions
You may have to rely on colorless threats or gold cards sometimes, but green has plenty of battlecruiser material to ramp into, like Old Gnawbone, Vaultborn Tyrant, or Apex Altisaur
Legendary Planeswalker Sarkhan Mythic Uta Natsume null/null NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern LEGAL Predh +1: Creatures you control get +1/+1 and gain haste until end of turn
One way or another, I hope itll be fun to play without taking away too much from my friends
With Karlach, you have one