uncommon yugioh cards 500 Assorted Including Rare, Ultra Rare and Holographic Cards Ultimate Rare | Yu-Gi-Oh! Wiki

This is just a bit too specific to be good, I feel, and even at 1 mana likely won't make the cut unless you're playing ~25+ Equipment

With the addition of Epic and Iconic rarities, Lorcana now features eight total rarity tiers, ranked from most common to rarest: Common Uncommon Rare Super Rare Legendary Epic Enchanted Iconic This is the first time Ravensburger has introduced a new rarity since the game launched in 2023, and it's a clear response to community demand for more diverse collecting experiences

Very likely

9 Cyrus And Sabrina Push And Pull Cyrus and Sabrina have very similar effects but different conditions for their activation

Lastly when your deck needs life gain you are likely a control deck or a very grindy deck