Unlike many other Wizard cards, magecraft allows players to benefit from not only casting spells, but also from copying them
If you are playing a blue deck, you should have four copies of Brainstorm in your deck
If the copied creature is copying something else, then Kimahri becomes a copy of whatever that creature is copying, with the listed exceptions
Credits : Transfer up to four copies of a unique Pokmon TCG card, one copy of an ACE SPEC or Prism Star card, one copy of each part of a Pokmon V-UNION card, and 59 copies of a basic Energy card from your existing Pokmon TCG Online account
You don't however need to go down the tribal route, any sort of token or weenie deck with any sort of sac outlet will empower Sharpshooter plenty
It is universally viewed as one of the most prestigious, rare, and high-value master sets in existence