Its usually best in the 99, but you can run it as your commander too, since its a legendary creature
OCG 2014.10 OCG 2015.01 Limit Regulation changes: A HERO Lives 2 3 Instant Fusion 3 1 HERO gains a slight consistency boost with the 3rd copy of A HERO Lives , but loses the ability to spam Rank 4 with Instant Fusion for Elder Entity Norden
You can find additional information about Polygons ethics policy here.
This includes spells and abilities that can't be countered
For starters, each of these has two basic land types attached, which means you can fetch them up with fetch lands
theyre natural mana sinks that scale with the game and turn large pools of mana into in-game advantages, whether thats removing a bunch of permanents, drawing a ton of cards, or fireballing opponents out of the game