Serra Disciple 
Creature — Bird Cleric
$0.22 #24045 0.00 8.5 years
Flying, first strike
Whenever you cast a historic spell, this creature gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.)
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Cards similar to Serra Disciple expected a card that isn't here?
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Jamie McCrimmon92%
$0.22#15925↑0.39↑3.0 years↓
"Whenever you cast a historic spell, this card gets +X/+X until end of turn, where X is that spell's mana value."
Daring Archaeologist89%
$0.21↓#199020.008.5 years
"Whenever you cast a historic spell, put a +1/+1 counter on this creature."
Traxos, Scourge of Kroog84%
$0.39↑#3946↑0.058.5 years
"Whenever you cast a historic spell, untap this card."
Jhoira, Weatherlight Captain84%
$0.41↑#1068↑0.50↑8.5 years
"Whenever you cast a historic spell, draw a card."
Relic Runner83%
$0.04↓#282880.008.5 years
"This creature can't be blocked if you've cast a historic spell this turn."
Mishra's Self-Replicator81%
$0.19↓#10923↑0.12↑8.5 years
"Whenever you cast a historic spell, you may pay . If you do, create a token that's a copy of this creature."
. If you do, create a token that's a copy of this creature."
Lingering Phantom81%
$0.07↓#29328↓0.12↑8.5 years
"Whenever you cast a historic spell, you may pay 
. If you do, return this card from your graveyard to your hand."
. If you do, return this card from your graveyard to your hand."
Alistair, the Brigadier80%
$0.28↑#12478↑0.003.0 years↓
"Whenever you cast a historic spell, create a 1/1 white Soldier creature token."
Diligent Excavator80%
$0.32↑#18509↑0.41↑8.5 years
"Whenever you cast a historic spell, target player mills two cards."
Sarah Jane Smith80%
$0.33↑#9564↑0.32↑3.0 years↓
"Whenever you cast a historic spell, investigate. This ability triggers only once each turn."
Ori, Keeper of Songs80%
$0.10↓#15322↑0.14↑0.2 years↓
"As long as you have an enduring story, this card gets +1/+0 and has vigilance."
Cabal Paladin79%
$0.16↓#16583↑0.18↑8.5 years
"Whenever you cast a historic spell, this creature deals 2 damage to each opponent."
D'Avenant Trapper78%
$0.03↓#237240.29↑8.5 years
"Whenever you cast a historic spell, tap target creature an opponent controls."
Surtr, Fiery Jötun78%
$10.52↑#7429↑0.29↑2.3 years↓
"Whenever you cast a historic spell, this card deals 3 damage to any target."
Artificer's Assistant78%
$0.25↑#5266↑0.33↑8.5 years
"Whenever you cast a historic spell, scry 1."
Raff Capashen, Ship's Mage77%
$0.22#6551↑0.21↑8.5 years
"You may cast historic spells as though they had flash."
Glóin, Dwarf Emissary75%
$3.06↑#2530↑0.29↑3.3 years↓
"Whenever you cast a historic spell, create a Treasure token. This ability triggers only once each turn."
Basim Ibn Ishaq74%
$2.54↑#3196↑0.24↑2.3 years↓
"Whenever you cast a historic spell, draw a card. this card can't be blocked this turn. This ability triggers only once each turn."
Thunder Spirit74%
$135.29↑#30782↓0.18↑32.4 years↑
"Flying, first strike"
Battlefield Raptor74%
$0.26↑#7972↑0.005.7 years↓
"Flying, first strike"