Unless a player has another way to jump in and provide some powerful attacks, this ability from Seismitoad EX could create a problem of having very long games, doing only 30 damage each turn, even with its benefit
This big boy is amazing as a token generator and equally great in zombie typal decks, although in the latter case don't be fooled by the artwork: Grave Titan is not itself a zombie, but rather a giant
Scan it and find out instantly
Overall, Dragon Shield is a great choice for any player
What it brings to the hegemony of the regular Black/X decks is just a little more oomph and another creature to sacrifice
The archetype possesses unique strengths that allow it to attack from an angle many traditional decks are ill-equipped to handle, but these are mirrored by inherent vulnerabilities