Siren Reaver {3}{U}
Creature — Siren Pirate
Raid — This spell costs {1} less to cast if you attacked this turn.
Flying
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Cards that do something similar expected a card that isn't here?
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Avenge 89%
$0.38#19015
"This spell costs {2} less to cast if a player attacked you during their last turn."
Fast Forward 87%
$0.36#9862
"This spell costs {1} less to cast for each opponent you attacked this turn."
Witchstalker Frenzy 85%
$0.32#14728
"This spell costs {1} less to cast for each creature that attacked this turn."
The Mary Janes 85%
$0.32#22057
"This spell costs {1} less to cast for each creature that attacked this turn."
Rowdy Research 85%
$0.22#9494
"This spell costs {1} less to cast for each creature that attacked this turn."
Search Party Captain 84%
$0.16#18550
"This spell costs {1} less to cast for each creature you attacked with this turn."
Hardened Berserker 82%
$0.03#23580
"Whenever this creature attacks, the next spell you cast this turn costs {1} less to cast."
Delightful Discovery 82%
$0.27#15894
"This spell costs {1} less to cast for each spell your opponents have cast this turn."
Gnoll War Band 81%
$0.24#12487
"This spell costs {1} less to cast for each opponent who was dealt damage this turn."
Chandra's Incinerator 80%
$3.07#2569
"This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn."