I highly suggest buying these from your LGS, slip the 400-count ones into your deck bag and you're good to go
Are you reading this from a desktop surrounded by loose Magic: The Gathering cards, hopelessly arranged in semi-complete decks of 20-100 cards, some of which are so old that you dont even remember which MTG set you were pulling them out from
Theres always the fear of sending your collection and never hearing back, or dealing with shady buyers who claim something went wrong
If you store the first 3 on it, the second ability won't resolve as it will see that 3 is now stored on Goblin Girder Gang
Kalitas, Traitor of Ghet from Oath of the Gatewatch is a vampire warrior that turns opponents attacking creatures into zombie tokens if you can muster the $25 price-tag
The real fun of this card is if you can duplicate the ability with cards such as Naban, Dean of Iteration, Harmonic Prodigy, or Strionic Resonator (or, if you really want to get crazy, all three)