Foul-Tongue Invocation 
Instant
$0.13 #23636 0.29 11.4 years
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Target player sacrifices a creature of their choice. If you revealed a Dragon card or controlled a Dragon as you cast this spell, you gain 4 life.
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Scaleguard Sentinels97%
$0.09↓#28900↓0.00↓11.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Draconic Roar96%
$0.14↑#194520.13↓11.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Orator of Ojutai96%
$0.16↑#14324↑0.55↑11.7 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
Dragonlord's Prerogative95%
$0.25↑#198350.44↑11.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Silumgar's Scorn94%
$0.22↑#13136↑0.2111.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Temple of the Dragon Queen82%
$0.32↑#2536↑0.07↓5.1 years↓
"As this land enters, you may reveal a Dragon card from your hand. This land enters tapped unless you revealed a Dragon card this way or you control a Dragon."
Dragon's Disciple82%
$0.20↑#192610.275.1 years↓
"As this creature enters, you may reveal a Dragon card from your hand. If you do or if you control a Dragon, this creature enters with a +1/+1 counter on it."
Dragon's Fire81%
$0.26↑#7123↑0.00↓5.1 years↓
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control."
+1 more matching line
Osseous Exhale79%
$0.18↑#17107↑0.09↓1.4 years↓
"As an additional cost to cast this spell, you may behold a Dragon."
+1 more matching line
Molten Exhale79%
$0.17↑#13484↑0.10↓1.4 years↓
"You may cast this spell as though it had flash if you behold a Dragon as an additional cost to cast it."
Dispelling Exhale78%
$0.19↑#8963↑0.12↓1.4 years↓
"As an additional cost to cast this spell, you may behold a Dragon."
Dracogenesis78%
$12.31↑#2300↑1.01↑1.4 years↓
"You may cast Dragon spells without paying their mana costs."
Caustic Exhale78%
$0.11↓#16634↑0.201.4 years↓
"As an additional cost to cast this spell, behold a Dragon or pay 
."
."
Draconic Lore78%
$0.19↑#7822↑0.03↓4.2 years↓
"This spell costs less to cast if you control a Dragon."
less to cast if you control a Dragon."
Piercing Exhale76%
$0.19↑#14054↑0.15↓1.4 years↓
"As an additional cost to cast this spell, you may behold a Dragon."
Dragonspeaker Shaman76%
$1.98↑#1312↑0.2623.3 years↑
"Dragon spells you cast cost less to cast."
less to cast."
Dragonlord's Servant76%
$0.28↑#1344↑0.2211.4 years
"Dragon spells you cast cost less to cast."
less to cast."
Kargan Dragonrider75%
$0.07↓#250550.228.1 years↓
"As long as you control a Dragon, this creature has flying."
Sarkhan, Dragon Ascendant74%
$0.35↑#7477↑0.18↓1.4 years↓
"When this card enters, you may behold a Dragon. If you do, create a Treasure token."
Korlessa, Scale Singer72%
$0.20↑#3674↑0.15↓4.2 years↓
"You may cast Dragon spells from the top of your library."