A pretty intuitive way to use Proxies is to denote cards you own in your collection, but that are required in multiple singleton decks
Who clocks in at just $34.39
1, Tap, Exert Hope Tender: Untap two target lands
DECK OVERVIEW Looking at the deck list we seem to have a good amount of mana dorks, rocks and land search, with a few payoffs in expend on other things, namely being able to cast the large enchantments in the deck
While it has some control elements to protect the board, its more of a slow-burn, value-driven deck unsuitable for fast-paced or cEDH games
More importantly, this card gives us a simple 2-mana solution for triggering Improbable Alliance and Irencrag Pyromancer on our opponents turn