Pair with a sac outlet and Pitiless PlundererPitiless Plunderer and you get infinite enter-the-battlefield and death triggers, for example
keeping your hand full while getting cards from elsewhere
The deck then adds a number of value and control elements including card draw spells (Rain of Revelation, Opt, Read the Tides), bounce spells (Read the Tides, Unsubstantiate), counterspells (Cancel), and removal (Capture Sphere)
Reflections of Littjara Tribal synergies abound in Kaldheim , and this card will help you take advantage of them even more
Maybe the most obvious home is Ad Nauseam, which can not only use Glorious End to buy an extra turn to win the game but can also just use it as a Time Stop with the help of Angel's Grace
New abilities include Delirium