Dragon's Herald 
Creature — Goblin Shaman
$0.08 #27924 0.00 17.9 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↑#270770.36↑17.9 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%
$0.12↑#281230.25↑17.9 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%
$0.04↓#286160.0017.9 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↑#277630.18↑17.9 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%
$0.25↑#12552↑0.20↑5.8 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 Order72%
$14.44↑#1548↑1.31↑29.6 years↑
"As an additional cost to cast this spell, sacrifice a green creature."