wyrmspan cave card sleeves "Wyrmspan" Compatible (57x57mm) Standard 7165 or Premium 7166 Compatibility claims only extend to the physical size of the cards in each respective game and no claim to endorsement or authorization by the respective rights holders is expressed or implied by Sleeve Kings MDG7166: Premium Wyrmspan Compatible Sleeves

Angel still has its place but it is now incredibly niche

If killed by a battle trap it replaces itself with a monster that can then attack within the same battle phase

DBAG-JP015 Redoremichord Dreamea Level 2 WIND Fairy Pendulum Effect Monster ATK 600 DEF 400 Pendulum Scale: 7 Pendulum Effect: (1) Your Doremichord Pendulum Monsters Pendulum Summon cannot be negated

So long as you can stall the game (perhaps using board wipes to get creatures into the graveyard), youre golden

There are purer Watt versions with the Spring field spell which by itself enables a Watt OTK, but Konami banned all decent searchers

it's just represented by two cards at the same time