It doesnt tap for mana itself, but you can filter one into a blue and a white
Athreos, God of Passage Athreos, Shroud-Veiled Bane, Lord of Darkness Bast, Panther Goddess Djeru and Hazoret Eirdu, Carrier of Dawn Ephara, Ever-Sheltering Ephara, God of the Polis God-Eternal Oketra Halvar, God of Battle Havi, the All-Father Heliod, God of the Sun Heliod, Sun-Crowned Heliod, the Radiant Dawn Heliod, the Warped Eclipse Hydaelyn, the Mothercrystal Iroas, God of Victory Karametra, God of Harvests Ketramose, the New Dawn Myrkul, Lord of Bones Ojer Taq, Deepest Foundation Oketra the True Reidane, God of the Worthy The Mighty Thor, Jane Foster Thor Odinson Tiamat Tom Bombadil Valkyrior Skyrider
All creatures with the changeling mechanic are shapeshifters, and even tokens with changeling are also shapeshifter tokens
these are a quality marked card used by professional magicians in close up magic
You have a 3/3 that you can give indestructible by tapping a mere 1/1, and by paying 5, your creatures get at least +3/+3 until the end of turn, but with elf typal buffs itll be much more
This way, you can skip the underpowered ones and go straight to drawing three extra cards, particularly when Sapphire Medallion let you do it all on the cheap
