Making snow lands enter tapped is nice, but Im unsure if its enough to curb snow lands in formats like Modern on a card that dies to most removal, and with mana bases as flexible as they are
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The only reason I mention Smagol, Helpful Guide is because its actually an interesting reward for self-sacrifice and Ring tempting, and it also enables some infinite combo lines with certain landfall creatures
Zelix, Sanity Flayer is very good value for a mill deck, since he creates 1/1s every time a player mills a creature card
Unfortunately, WotC has apparently learned nothing in terms of either pain point, as the upcoming set not only continues both trends, but ramps them up to 20 and breaks the dial