"Dash [cost]" means "You may cast this card by paying [cost] rather than its mana cost," "If this spell's dash cost was paid, return the permanent this spell becomes to its owner's hand at the beginning of the next end step," and "As long as this permanent's dash cost was paid, it has haste." If you choose to pay the dash cost rather than the mana cost, you're still casting the spell
Evelyn, the Covetous, Prosper, Tome-Bound, and Faldorn, Dread Wolf Herald also allow you to exile cards and play them from exile without forcing another alternate casting cost on you
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, discard your hand, then draw three cards
Wild Dive GX takes advantage of your opponents attaching more Energy to their Pokemon by hitting for 50 damage for each one they attach to their Active Pokemon
Thick vs thin stamp That debate belongs to the First Edition stamp itself, not to the shadowless, no-stamp print
I especially love the effect of the moon shining through the branches over this graveyard