It takes very little effort to untap with six mana on your third turn all you have to do is play three Forests in a row
Hexmage also goes great in a sacrifice build
And then when you layer it into tokens, creatures that sacrifice, creatures that have death triggers, and more, you get one of the single most powerfully broken cards ever printed
A Lord of the Rings: Tales of Middle-earth deck contains: - 1 deck of 100 black-bordered cards, including 20 previously unreleased cards
Then, at the beginning of combat, a target Villain creature you control gains menace until the end of the turn, and it connives
Cryptolith Rite is a very helpful card for activating Urtet multiple times, as is Urza, Lord High Artificer if paired with Chromatic Orrery