Other than that it is quite straightforward
By preventing all the common ways to eliminate Status Conditions, your opponent is forced to try and retreat, otherwise the Poison damage can add up quickly
It has two strong attacks, Razor Leaf and Giant Bloom, as well as free healing that restores 30 HP from this Pokemon
Even if Blightsteel Colossus is countered or would be put into the graveyard through other means, it still gets shuffled back into your deck, making it an unstoppable force that can always come back again
With the ability to immediately ready a character to use again on your turn, many people pay a little extra to add this card to their collection
Khans of Tarkir (2014) has three cards with the ability to draw cards