Thats not to say you cant play a multicolor deck to get the best use of Kaldring, but a mono-green deck can still find ways to make blue and black to cast the back half (any lovers of Gilded Goose in here?) Since Jorn doesnt need to connect to untap your snow permanents, you can do a few things to help protect him that should work with your main game plan
Since 1998, the color of this symbol has been the universal code for rarity
We have moved into MLB, NBA, NFL, Pokmon and Lorcana cards
He is not only a classic legendary option for Commander but he's very strong in Type Four with infinite mana but only one spell per turn
Under magnification, the truth is almost always revealed in the printing patterns
Hail, Caesar (Red-White-Black) : There's also the Hail, Caesar deck, featuring the franchise's infamous Caesar as your commander