Overload [cost] means "You may choose to pay [cost] rather than pay this spell's mana cost" and "If you chose to pay this spell's overload cost, change its text by replacing all instances of the word 'target' with the word 'each.'" If you don't pay the overload cost of a spell with overload, that spell will have a single target
The release of Cori-Steel Cutter reshaped the landscape of Standard
Its 4/2 body for 4 is about average considering its ability, and 3 mana to regenerate it lets you swing in every turn without fear of losing it
As a sorcery, you may pay the mana cost of a locked door to unlock it.) (You may cast either half
Take Ojer Taq, Deepest Foundation, for example
I maintain two saved eBay searches for Magic cards: one for Alpha cards sold by ABUGames at auction, and the other for Beta cards from the same seller