For five mana, you get a Green White Enchantment that makes it so that whenever you tap a land for mana you get to add one mana of any kind that land can produce
This elemental fox is very flexible and you can build a deck around it in various ways, like for example using it as a solid activated ability commander
Since youre buffing by power, you can make this into a Voltron deck with Kemba, Kha Enduring or Kemba, Kha Regent as your large, impervious creature carrying all your equipment
Discard lands if you have enough mana, discard spells to grow your creature, or discard reanimation targets and madness cards for additional value
Legendary Creature - Eldrazi Ugin's Mastery Whenever you cast a colorless creature spell, manifest the top card of your library