yugioh water field spell cards Enchantress of the Temple - Yu-Gi-Oh! Card Database Water of Life - Battles

The 'only opponent's permanents' part removes some synergy with stuff like Worldfire but also adds security in some fringe cases, where your opponent only had one non-land permanent and bounced it in response to you casting the ring, in which case you had to exile one of your own things (not a 'may' ability)

Isaac_S #1 Something that causes people to get better cards just by looking at the packs or something

Reanimation spells and sacrifice engines allow creatures to return far earlier than intended, turning death into value instead of a setback

If you have a big creature in hand but are missing a way to get it into play, discarding your entire hand and drawing a fresh one is a perfectly fine play to make