It allows you to get the colors you need, and as an extra benefit, you gain 1 life
Until end of turn, it gains Whenever this creature deals combat damage to a player, remove a shield counter from it
[226] On 13 February 1999, Pokmon launched on the Kids' WB national television block
This is not financial advice.
The real problem is with double protection (Great Sable Stag, Sword of X and Y, Mirran Crusader), which are very non-interactive and single-handedly win games against decks of those colors
Zack Fairs ability to pass on counters and Equipment at the drop of a hat makes for a playstyle that will leave your opponents guessing, and force them to play to counter your deck instead of progressing their own strategy