These are the kinds of cards that make Limited work
But at first glance, they seem pretty straightforward and unexciting
Even the most well-shuffled deck will eventually mill two lands or two creatures when those are the most numerous cards in the deck, so the length of this covenant is limited
Control the board with removal, protection, and value engines while your Superfriends build toward victory
However, MTGs demigods tend to have fairly specific abilities, where their ancient counterparts are a bit more nebulous
Urtet will untap my Myr before combat on my turn, so if I have at least 5 other Myr and I'm able to weather a turn without blockers, I should be able to tap, activate, untap before combat, activate in the second main phase, and on my next turn activate Urtet one more time before combat