If a spell's kicker cost was paid, the spell is "kicked." The kicker ability doesn't let you pay a kicker cost more than once
Other cards will help you fill your side of the table with item cards by reducing their cost or even playing them for free, granting you bonus abilities on your turns from then on - from gaining extra lore and drawing more cards to increasing characters strength and willpower
Marvel Super Heroes Commander precon deck(s) Midway through the livestream, Rasmussen presented card designs for the Fantastic Four: He also confirmed that they'll appear alongside one another in a single red-green-white-blue preconstructed Commander deck, and the player can choose only one of them to be the commander
They also dont exist on the battlefield and presumably cannot be destroyed
Treasure tokens in Magic are produced by a number of different cards, and can be saved to pay for spells on a later turn (mana for spells typically disappears when a turn or phase ends)
-2: You get an emblem with "Artifact creatures you control get +1/+1." -4: Exile target creature