Dragon's Herald 
Creature — Goblin Shaman
$0.08 #28141 0.14 18.0 years
, 
, Sacrifice a black creature, a red creature, and a green creature: Search your library for a card named Hellkite Overlord, put it onto the battlefield, then shuffle.Click a line or tag to filter
Cards similar to Dragon's Herald expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Behemoth's Herald93%
$0.13↑#272680.0618.0 years
"
, , Sacrifice a red creature, a green creature, and a white creature: Search your library for a card named Godsire, put it onto the battlefield, then shuffle."
, , Sacrifice a red creature, a green creature, and a white creature: Search your library for a card named Godsire, put it onto the battlefield, then shuffle."
Demon's Herald91%
$0.13↑#284350.0518.0 years
"
, , Sacrifice a blue creature, a black creature, and a red creature: Search your library for a card named Prince of Thralls, put it onto the battlefield, then shuffle."
, , Sacrifice a blue creature, a black creature, and a red creature: Search your library for a card named Prince of Thralls, put it onto the battlefield, then shuffle."
Sphinx's Herald88%
$0.18↑#285730.00↓18.0 years
"
, , Sacrifice a white creature, a blue creature, and a black creature: Search your library for a card named Sphinx Sovereign, put it onto the battlefield, then shuffle."
, , Sacrifice a white creature, a blue creature, and a black creature: Search your library for a card named Sphinx Sovereign, put it onto the battlefield, then shuffle."
Angel's Herald87%
$0.21↑#279440.31↑18.0 years
"
, , Sacrifice a green creature, a white creature, and a blue creature: Search your library for a card named Empyrial Archangel, put it onto the battlefield, then shuffle."
, , Sacrifice a green creature, a white creature, and a blue creature: Search your library for a card named Empyrial Archangel, put it onto the battlefield, then shuffle."
Magus of the Order76%
$0.26↑#12649↑0.57↑5.9 years↓
", , Sacrifice this creature and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle."
, , Sacrifice this creature and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle."
Natural Order70%
$14.60↑#1534↑1.44↑29.7 years↑
"As an additional cost to cast this spell, sacrifice a green creature."