Wild Ride {R}
Sorcery
Target creature gets +3/+0 and gains haste until end of turn.
Harmonize {4}{R} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by {X}, where X is its power. Then exile this spell.)
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Cards that do something similar expected a card that isn't here?
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Reckless Charge 100%
$0.15#6389
"Target creature gets +3/+0 and gains haste until end of turn."
+1 more matching line
Haste Magic 96%
$0.20#4194
"Target creature gets +3/+1 and gains haste until end of turn. Exile the top card of your library. You may play it until your next end step."
Samut's Sprint 84%
$0.18#8817
"Target creature gets +2/+1 and gains haste until end of turn. Scry 1."