Alongside Emrakul and Asmo, Gingerbrute is probably the most often-played card in this list
The reason Oko is so great as a sideboard card in Modern is that it answers opposing sideboard cards, in this case, cards like Chalice of the Void, Damping Sphere, and Collector Ouphe, while also offering a compact Plan B that can potentially win a game on its own
(If it has no +1/+1 counters on it, put three +1/+1 counters on it.) Mana that you add with Jetfire, Ingenious Scientist's activated ability can be used on anything that isn't a nonartifact spell
Sligh decks loved this one, as they could get a hand full of burn after unloading a handful of Goblins and more burn
Vitu-Ghazi Guildmage Vitu-Ghazi Guildmage is a two-mana card requiring both one Green and one White mana
Your deck only has a few mana sinks, none of which are particularly amazing