full art japanese pokemon cards Inferno X Booster Box Inferno X is a strong choice. SKELEDIRGE EX Japanese Shiny Treasure

Stromkirk Captain

Sometimes this is done for flavour reasons (they needed a certain effect at a certain mana level, but the original printing doesn't work for a plane where, say, the Llanowar Forest does not exist)

The fact that this rabbit commanders ability is optional is also good, since you may want a certain card on top of your deck, or to stay at a certain life total

Not a fan of Combo

That said, the typical numbers I see at my local stores are one additional booster pack for participating, and one extra booster on top of that for each best-of-three match that you win

Like a better Inkmoth Nexus, although you'd toss that in too