Whenever Dowsing Device or another artifact you control enters, up to one target creature you control gets +1/+0 and gains haste until end of turn. Then transform Dowsing Device if you control four or more artifacts.
"A little innovation can lead to a big score."
—Admiral Beckett Brass
#146
Geode Grotto
Land — Cave
(Transforms from Dowsing Device.) : Add . , : Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery.