Rust Harvester could become incredibly annoying to deal with in focused strategies, but youd essentially need to be using its effect almost every turn to get a good amount of value out of it
It does have a great additional effect of basically doubling the power of your entire board (save itself), so the high cost does have a powerful reward attached to it
TCG began in the 90s to capitalise on the success of the manga and anime series its based on, and has been fairly popular across the world ever since
You'd definitely want a playset of Nykthos, Shrine to Nyx and some sort of payoff for the extra mana like Elesh Norn, Grand Cenobite, Walking Ballista, or whatever other bomb you prefer
Arctic Nishoba Image This card comes with a cumulative upkeep which usually becomes quite annoying to deal with and dont have too many upsides if you cant pay the upkeep
Note that you mill in your precombat main phase, which is after your draw for the turn , so you dont lose like you would if the mill triggered in your upkeep before the draw step