This mechanic allows you to find exactly that, cycling through your deck for a land type of your choice after discarding a card
Black for Common, Silver for Uncommon, Gold for Rare, and Red-Orange for Mythic Rare
There's not really anything game-winning here, but Nargacuga Stalker sets up a nice draw engine for any Black decks focused on sacrificing creatures
Incapsula incident ID: 569000121305999672-1763958775199892278
A card which was released in the OCG, but not yet in the TCG, and you dont want to wait until the TCG release to get a copy of it (may have to rely on an unofficial translation)
This means that there will be times when using it will have no effect due to bad luck, or that it will not remove all of the necessary Energy from the opponents Active Pokmon to prevent it from attacking