Endurance is the Attribute which characterized by many cards with growth of your max Magicka (
If you play cards that give you +1 max Magicka you will play strong creatures very early. Also some not so strong creatures like
So in Control decks the cards with Endurance Attribute can be very strong. You can play Ramp control deck with
As for the Aggro decks, you can also create them with Endurance cards. There are some aggressive cards and you can play orcs to have an aggressive synergy. But this deck will not be so good.
On Arena Endurance Attribute can be very good.
Endurance Attribute is one of the components of four classes: Scout, Sorcerer, Spellsword and Warrior.