A Stage 1 Pokemon Card of type Grass with the title Kakuna and 80 HP of rarity Common evolved from Weedle from the set Rising Rivals and the flavor text: While awaiting evolution, it hides from predators under leaves and in nooks of branches. It has the attack Dangerous Evolution with the cost Grass, the energy cost 1 with the description: The Defending Pokemon is now Poisoned. Flip a coin. If heads, search your deck for an Evolution card that evolves from Kakuna and put it onto Kakuna. (This counts as evolving Kakuna.) Shuffle your deck afterward. It has the ability Exoskeleton with the description: Any damage done to Kakuna by attacks is reduced by 20 (after applying Weakness and Resistance). It has weakness against Fire +20. 
Kakuna