
WardWardWhenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays
.)
When this creature enters, exile an instant or sorcery card from your graveyard. Put a number of +1/+1 counters on this creature equal to half that card's mana valuemana valueThe total amount of mana in a card's cost, ignoring colour. A card costing has mana value 4. X counts as 0 except on the stack., rounded up.
Discard a card, then draw a card. When you discard an instant or sorcery card this way, Flamethrower Sonata deals damage equal to that card's mana valuemana valueThe total amount of mana in a card's cost, ignoring colour. A card costing has mana value 4. X counts as 0 except on the stack. to target creature or planeswalker you don't control.
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.