Epic

Epic is a keyword ability of five sorceries from Saviors of Kamigawa. In keeping with that block's legendary theme, its design is intended to provide an answer to the question "What does it mean for an instant or sorcery to be legendary?"
== History ==
The ability has appeared on only one cycle of five cards, all sorceries:
* White: <c>Enduring Ideal</c> (Search your library for an enchantment and put it onto the battlefield)
* Blue: <c>Eternal Dominion</c> (Search target opponent's library for an artifact, creature, enchantment, or land and put it onto the battlefield)
* Black: <c>Neverending Torment</c> (Exile cards from target opponent's library equal to the number of cards in your hand)
* Red: <c>Undying Flames</c> (Deal damage to target creature or player equal to the CMC of the first nonland card you exile from the top of your library)
* Green: <c>Endless Swarm</c> (Get a 1/1 token for each card in your hand)
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==Description==
An epic spell is copied in its controller's upkeep on every turn for the rest of the game. If it has any targets, the player may choose new targets for the copy.
In exchange for this powerful ability, the player can't cast spells for the rest of the game. Since copies of a spell aren't cast, the epic spell's copies aren't affected.
According to Mark Rosewater, Epic is probably the mechanic with the least design space.
==Rules==
==Notes==
*The copy of the spell put onto the stack doesn't have the epic ability, so exactly one copy is put onto the stack at the beginning of each of your upkeeps. (You don't get one, then two, then four copies, and so on.)
*Choices made while casting the original epic spell, as well as any alterations made to that spell, are copied. However, the epic ability does allow the player to choose a new target as the copy is put onto the stack.
*A copy of a spell is still a spell, and it can be countered.
*A player can't cast spells once they resolve a spell with epic, but that player can still activate abilities, their static and triggered abilities still work, and they can still attack and block.
*Putting a copy of a spell on the stack is not the same as casting a copy of a card. Abilities that put copies of spells directly on the stack work after the epic spell has resolved. Abilities that create copies of cards that you can cast still create the copies, but you can't cast them. 
*The copy ability is unusual in that there is no discernable source and no visual reminder (such as if the Epic spell is shuffled into its owner's library).
==Interactions==
Here is a list of things an owner of an epic spell can do after an epic spell has been played and resolved.
*They still have all phases, which means they will still untap, draw, attack, block, discard (using madness, however, is not allowed; it is casting a spell for an alternative cost), etc.
*They can still play lands; this is a game action that only requires the stack to be empty and the player to have priority during a main phase of their turn.
*They can use activated abilities on permanents of theirs that are on the battlefield.
*They can use abilities which work outside of the battlefield. For example, you can cycle cards as this isn't playing spells. (Some cycling actually triggers some abilities on the cycled card, e.g. when <c>Decree of Pain</c> is cycled, all creatures get -2/-2 until end of turn; this is still not casting.)
*They can put a copy of a spell on the stack (e.g. <c>Chain Lightning</c>).
*They can use channel abilities.
==Examples==
==References==