Bill Potts {3}{R}
Legendary Creature — Human
Whenever you cast an instant or sorcery spell that targets only Bill Potts or activate an ability that targets only Bill Potts, copy that spell or ability. You may choose new targets for the copy. This ability triggers only once each turn.
Doctor's companion (You can have two commanders if the other is the Doctor.)
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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.
Sevinne, the Chronoclasm 93%
#19831
"Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy."
Swarm Intelligence 92%
$0.39#4549
"Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy."
Double Vision 92%
$0.60#2668
"Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy."
Chandra, Hope's Beacon 91%
$2.62#4076
"Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. This ability triggers only once each turn."
Thousand-Year Storm 91%
$1.37#1394
"Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies."
Galvanic Iteration 91%
$0.26#2918
"When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy."
Pigment Wrangler // Striking Palette 91%
$0.10#18650
"When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy."
Doublecast 91%
$0.21#11121
"When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy."
Howl of the Horde 91%
$0.24#13504
"When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy."
Teach by Example 91%
$0.12#7586
"When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy."
Unbound Flourishing 90%
$2.17#2696
"Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy."
Spinerock Tyrant 90%
$1.45#10272
"Whenever you cast an instant or sorcery spell with a single target, you may copy it. If you do, those spells gain wither. You may choose new targets for the copy."
Orvar, the All-Form 90%
$3.15#5496
"Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents."
Leyline of Resonance 90%
$0.98#5505
"Whenever you cast an instant or sorcery spell that targets only a single creature you control, copy that spell. You may choose new targets for the copy."
Show of Confidence 89%
$0.19#10015
"When you cast this spell, copy it for each other instant and sorcery spell you've cast this turn. You may choose new targets for the copies."
Melek, Izzet Paragon 89%
$0.13#7208
"Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy."
Invasion of Arcavios // Invocation of the Founders 89%
$0.31#10248
"Whenever you cast an instant or sorcery spell from your hand, you may copy that spell. You may choose new targets for the copy."
The Mirari Conjecture 87%
$0.30#12472
"Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."
Hive Mind 86%
$9.85#7651
"Whenever a player casts an instant or sorcery spell, each other player copies that spell. Each of those players may choose new targets for their copy."