Five mana places it on the steeper end of human commanders, but if we evaluate its conditional abilities as if theyll always be met (and they will be easily in Commander), owyns actually 5 mana to place quite a bit of power on the field and replace the human spell you played from your hand
From Dwarven Soldier caring about being blocked by Orcs to Wellwisher gaining life for each Elf on the battlefield, types have evolved to be a highly relevant characteristic in Magic: The Gathering
Jund Plane: Alara Whenever a player casts a black, red, or green creature spell, it gains devour 5
He is the praetor in charge of the Progress Engine, a Phyrexian faction that believes perfection can be achieved through lethal and unethical experimentation
The vanilla version of these lands is Shimmering Grotto, with several others like Hidden Grotto, Rumble Arena, Capital City, and so on