Snapcaster decks can recover the discarded spells later, use them to fuel an early Tasigur, the Golden Fang or Gurmag Angler (the latter can be hard to turn on by turn three otherwise), or put cards in the bin for later Kolaghan's Command recursion
Some distribute last-minute codes that fill short promotional windows, while others maintain predictable weekly schedules
Then you can tap artifacts you control to help pay that cost
, Discard your hand: Put all exiled cards you own with intel counters on them into your hand
Its ability to turn lands into useful spells in an ongoing way is difficult to disrupt and really hard to beat for any slower deck, even a deck that simply requires a certain mass of hand size to go off
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