The absence of fetch lands, for instance, means players must rely on shock lands, pain lands, and other less efficient dual lands, which makes multi-color decks inherently more challenging to construct and operate without sacrificing life total or tempo
have stats that change depending on the number of creatures you control
The older these are the rarer and more expensive they tend to be, and you don't get any older than these
You could, in theory, end up using him as a game-ending play if it takes enough damage from other players, or you could use him in a deck thatll have your own creatures damage him to make him a juggernaut
However, Sigurd is truly at home in a deck stacked with Sagas thanks to his boast ability which allows him to either add or remove a lore counter from a Saga in play
The poison counter clause is good here in the same way it is on Prologue to Phyresis, but of the two, this is probably the weaker one