Gwenna, Eyes of Gaea Gwenna, Eyes of Gaea is a great tool for decks trying to ramp put massive creatures
For example Bandai, Cardass, Media Factory all had contracts which made them official
The reason I would stick with Heavy Bone is because most Pokemon don't need 100 hp damage or more to be knocked out especially if they are Stage 1 or Basic Pokemon, I would rather hit 40 hp 3 times in a row then waste 3 turns on Bone Rush, but that is just me, I guess if you are facing a really strong Pokemon in regards to Hp I would probably use Bone Rush to try and put a big dent in your opponent's active Pokemon
Zombies with graveyard recursion like Relentless Dead and Poxwalkers give you more value with constant death triggers for more villainous choice triggers
Gift: Gift is another optional cost where a player can promise a gift to an opponent as they cast a spell
God Pack rates vary between expansions