Defensive phase-outs like Teferis Protection also allow creatures to dodge boardwipes, edicts and other non-targeted removal, where many flicker effects simply return them to the battlefield in time to perish by the next spell you had been responding to on the stack
Take a rough sketch (budget, power level, theme, playgroup) and use tools like Scryfall to filter 2,000+ legends down to candidates
Not only does this provide you with easier access to the rarity symbol, youre also only going to be checking for just that symbol, rather than reading the card name or ability box
It's cheap (mana-wise), it's fast, it lets you get back an instant or sorcery in your graveyard, and it's a 2/1 body that can attack and defend just like any other 2/1 body