Dark Rituals and draw-sevens to build mana, looking for a way to access the Yawgmoths Will sitting safely in the sideboard
Of course, being 3 mane for Whites various kinds of recursion is also nothing to forget
Tapping them for colorless mana can have upsides with cards like Thought-Knot Seer
Assuming you have a graveyard-inspired deck (which is pretty common with this color in Casual Land), this has a lot of power
For Revival Trance , our highest value reprints are: ReanimateReanimate High MarketHigh Market Stitch TogetherStitch Together Ruinous UltimatumRuinous Ultimatum Graven CairnsGraven Cairns Beyond that, there isn't much to speak of
Especially in kindred decks you can run into the problem of dumping your entire hand onto the table and them being board wiped, and this not only lets you cast some bigger things before the wrath happens, it also reloads you for afterwards