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) target spell.
RecoverRecover is a triggered ability that functions only while the card with recover is in a player’s graveyard. “Recover [cost]” means “When a creature is put into your graveyard from the battlefield, you may pay [cost]. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.” (CR 702.59) (When a creature is put into your graveyard from the battlefield, you may pay
. If you do, return this card from your graveyard to your hand. Otherwise,
exileTo exile an object, move it to the exile zone from wherever it is. See rule 406, “Exile.” (CR 701.13) this card.)