Sure Strike {1}{R}
Instant
Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)
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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.
Slaughter Cry 100%
$0.06#27901
"Target creature gets +3/+0 and gains first strike until end of turn."
The Chase Is On 100%
$0.09#18469
"Target creature gets +3/+0 and gains first strike until end of turn. Investigate."
Furious Bellow 97%
$0.22#17526
"Target creature gets +3/+0 and gains first strike until end of turn. Scry 1."
Hundred-Talon Strike 90%
$0.18#26155
"Target creature gets +1/+0 and gains first strike until end of turn."
Crowd's Favor 90%
$0.13#17609
"Target creature gets +1/+0 and gains first strike until end of turn."
Precise Strike 90%
$0.03#26864
"Target creature gets +1/+0 and gains first strike until end of turn."
Guided Strike 90%
$0.29#11757
"Target creature gets +1/+0 and gains first strike until end of turn."
Seize the Initiative 89%
$0.14#29327
"Target creature gets +1/+1 and gains first strike until end of turn."
Storm Strike 88%
$0.07#21611
"Target creature gets +1/+0 and gains first strike until end of turn. Scry 1."
Daring Escape 88%
$0.27#19387
"Target creature gets +1/+0 and gains first strike until end of turn. Scry 1."
Kindled Heroism 88%
$0.09#19555
"Target creature gets +1/+0 and gains first strike until end of turn. Scry 1."
Coming In Hot 88%
$0.22#17505
"Target creature gets +1/+0 and gains first strike until end of turn. Scry 1."
Pedal to the Metal 88%
$0.10#15539
"Target creature gets +X/+0 and gains first strike until end of turn."
Rush the Room 87%
$0.09#17553
"Target creature gets +1/+0 and gains first strike until end of turn. If it's a Goblin or Orc, it also gains haste until end of turn."
Thunder Strike 87%
$0.08#24749
"Target creature gets +2/+0 and gains first strike until end of turn."
Rise to the Challenge 87%
$0.10#25815
"Target creature gets +2/+0 and gains first strike until end of turn."