Blazethorn Scarecrow {5}
Artifact Creature — Scarecrow
This creature has haste as long as you control a red creature.
This creature has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)
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Cards that do something similar expected a card that isn't here?
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Rattleblaze Scarecrow 100%
$0.31#16289
"This creature has haste as long as you control a red creature."
+1 more matching line
Thornwatch Scarecrow 100%
$0.19#20726
"This creature has wither as long as you control a green creature."
Eldrazi Aggressor 84%
$0.07#27119
"This creature has haste as long as you control another colorless creature."