Widespread Ruin
This in turn gives you an early play that allows you to gain life for practically the entire game unless someone uses removal on it
Despite being fragile, it performs well in any deck running enough Floodborn, if you have very few in your deck you'll find better value elsewhere
This card is nice in Ezuri, Claw of Progress decks, and I love it in my guilty pleasure nonsense deck: Syr Faren, the Hengehammer
For example, Infernity Launcher is a support card for the Infernity archetype as its text references the archetype (" You can send this card to the Graveyard, then target up to 2 "Infernity" monsters in your Graveyard
We cross-validated the same 36 decks against three frontier Claude models (Sonnet 4.6, Opus 4.7, Haiku 4.5) given only the WotC framework and Game Changers list: the strongest models scored 94.4% bracket-exact, and none matched the engines 100% in-range or power-in-range