Sacrifice a creature like Death Cultist, Mortuary puts it back on top of your library, and Gwenom lets you immediately replay it by paying 1 life
All Disney Lorcana Starter decks come with a 60-card build and one booster pack
There are a handful of creatures with useful enter the battlefield triggers, and worst case scenario, the blink will cause your lifegain effects to trigger so Hope can mill even more cards
005-068-the-library-a-gift-for-belle and 005-060-finders-keepers are also great Amethyst cards to have as well
Each of those flips will come up heads, but you'll also win each of those flips
Sword of War and Peace, on the other hand, depends on the number of cards in players hands, so it wont be always good