Hand to Hand {2}{R}
Enchantment
During combat, players can't cast instant spells or activate abilities that aren't mana abilities.
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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.
Geode Golem 83%
$0.33#3061
"Whenever this creature deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost."
Captain Mar-Vell, Space-Born 81%
$0.22#20100
"As long as an opponent has cast a spell this turn, you may cast spells as though they had flash."
Megatron, Tyrant // Megatron, Destructive Force 80%
$2.08#11410
"Your opponents can't cast spells during combat."