By paying X mana and tapping it, you can move X +1/+1 counters to another artifact, giving it haste as well until the end of the turn
Its unconventional and fun, and with the right resources it can even turn this card into a great draw engine
Five copies that have to be attacking
All in all, we delivered well on Tarkir's wedge clans
Hed turn two Merfolk Traders, turn three Intuition for Great Whale, turn four combo off by Recurring Great Whales into other Great Whales over and over, eventually playing a really big Stroke of Genius for the win
Some manufacturers make cube "shells" for this very purpose, which are basically just really skinny versions of deck boxes, built to hold only 15 cards - the size of a Booster pack - at a time