FlashFlash is a static ability that functions in any zone from which you could play the card it’s on. “Flash” means “You may play this card any time you could cast an instant.”
Multiple instances of flash on the same object are redundant. (CR 702.8)
When this enchantment enters,
manifest dread“Manifest dread” means “Look at the top two cards of your library. Manifest one of them, then put the cards you looked at that were not manifested this way into your graveyard.” See rule 701.40, “Manifest.”
An ability that triggers whenever a player manifests dread triggers after the process described in rule 701.62a is complete, even if some or all of those actions were impossible. (CR 701.62). (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Whenever you turn a permanent face up, put a +1/+1
counterTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on it.