Roaring Furnace // Steaming Sauna {1}{R} // {3}{U}{U}
Enchantment — Room // Enchantment — Room
When you unlock this door, this Room deals damage equal to the number of cards in your hand to target creature an opponent controls.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
You have no maximum hand size.
At the beginning of your end step, draw a card.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
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Cards that do something similar 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.
Kynaios and Tiro of Meletis 98%
#7365
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Dr. Eggman 97%
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Oblivious Bookworm 92%
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April O'Neil, Hacktivist 92%
$0.37#18160
"At the beginning of your end step, draw a card for each card type among spells you've cast this turn."
Imoen, Mystic Trickster 92%
$0.23#9723
"At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you've completed a dungeon."
Jem Lightfoote, Sky Explorer 91%
$0.16#20140
"At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card."
Laboratory Drudge 90%
$0.22#13670
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Bennie Bracks, Zoologist 87%
$11.59#1807
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Drumhunter 86%
$0.27#7901
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Master's Guidance 86%
$0.23#12023
"At the beginning of your end step, if you control a creature with power 4 or greater, draw a card."
Hunter's Talent 86%
$0.29#3540
"At the beginning of your end step, if you control a creature with power 4 or greater, draw a card."
+1 more matching line
Owlbear Shepherd 84%
$0.17#10483
"At the beginning of your end step, if creatures you control have total power 8 or greater, draw a card."
Phyrexian Etchings 81%
$0.28#22487
"At the beginning of your end step, draw a card for each age counter on this enchantment."
Primary Research 81%
$0.18#12346
"At the beginning of your end step, if a card left your graveyard this turn, draw a card."