I bought 2 packs and didn't get any rare holo cards. Common card ones though.
I got: Team Aqua's Mightyena (rare), Team Magma's Zangoose (rare), Team Magma's Mightyena (uncommon), Jigglypuff (common), Pikachu (common), Squirtle (common), Team Aqua's Carvanha (common), Team Aqua's Corphish (common-holo), Team Aqua's Electrike (common), Team Aqua's Spheal (common), Team Magma's Aron (common), Team Magma's Baltoy (common-holo), Team Magma's Numel (common), Team Magma's Rhyhorn 68 and 69 (common), Trainer: Dual Ball (uncommon), Trainer: Team Aqua Ball (uncommon), Trainer: Warp Point (uncommon)