Temur Battle Rage 

Instant
Target creature gains double strike until end of turn.
Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.
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Cards that do something similar expected a card that isn't here?
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Onward // Victory 100%
$0.18#20748
"Target creature gains double strike until end of turn."
+1 more matching line
Two-Headed Hunter // Twice the Rage 100%
$0.19#12163
"Target creature gains double strike until end of turn."