Even out of the box though, Bellos deck is very cute and pretty powerful, so that might be worth the price of entry alone
Not only can your tapped swamps that you used to trigger this ability be doubled, but all swamps you control (even dual lands)
Nowadays, there are wisps of the remnants of the Moxes in cards like Mox Diamond ($800) or Chrome Mox ($90)
Builders Talent then provides small, steady buffs whenever your Creatures enter, and with a hefty investment of 4W, returns a specific card from your grave directly to the field
What affects the value of Teferi's Talent
Perfect for Commander, cEDH & Beyond Parallel Lives is one of the most sought-after cards in Commander and cEDH