Your game plan relies on turning one cheap ninjutsu hit into an avalanche of advantage, but that advantage is as fragile as your Ninjas themselves
More importantly, while it wouldn't be terrible , I'm not sure you'd ever normally include any of these cards in a Karazikar deck (and EDHREC agrees with me)
The only social interaction players can participate in is choosing one of the preset speech bubble options that will appear above their avatar such as Hello!, Your turn, Thinking..., Nice! and Good game
Overall, Valgavoth is just as scary in play as it is in the lore, and will prove very difficult to deal with once it hits the table
Theres a very convoluted combo with Vorel of the Hull Clade and Intruder Alarm to double each funguss counters multiple times during a turn
The spells you jump-start must be exactly two colors, which incentivizes you to find unique cards to play