The constant Do you pay the one? trigger can become a psychological tool to wear down your opponents patience
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as a flashback cost), add any cost increases (such as kicker costs), then apply any cost reductions (such as that of The Darkness Crystal's first ability)
If you want to play with physical cards right away or your buddy who already has a deck is begging you to build one, you can buy a functional, powerful deck that plays right out of the box
Saga creatures can attack and block exactly like regular creatures
13 Bubbling Muck Get That Mana Now A slightly limiting card but one with plenty of potential, Bubbling Muck is a one-mana sorcery from Urza's Destiny that can turn a few mana into tons
They have an amazing selection of comics to look through