Psychic Frog, Key to the City, Harnfel, Horn of Bounty, Ultimate Green Goblin, and Chainer, Nightmare Adept round out the ways to discard, but there are certainly more every set
Otherwise, recent history suggests the value of a highly playable and coveted mythic rare from a newer set is more appropriately priced in the $50-$80 range (e.g., Sheoldred, the Apocalypse)
If you dont like your hand, mulligan it
Players open packs like theres no tomorrow, and we all love that sweet feeling of unveiling a great card
In a very short time, this will kill everyone running around at a kitchen table
We all know Darksteel Forge is insanely powerful in an artifact deck