When Gigan was first spoiled, people rushed to the conclusion that there was synergy between its two abilities, but if you read carefully, you'll see that the companion ability refers to "your starting deck," not "your current graveyard." Grade: B Missed opportunity to have the creature types match those of King Ghidorah, ideally by changing King Ghidorah to match this
This is just what the card is based around, however, as dealing damage lets you steal cards from the damaged players graveyard and cast them using mana of any color
Each deck is more or less about ramping and drawing cards, and its just what you do with said cards that tends to be the differing point
And with its lifelink ability, Griselbrand will regain all those precious life points that you lost
The most glaring weakness of the werewolf creature type is that if two or more spells are cast in a single turn, all werewolves will transform back into their weaker forms