There isn't much strategy to it (after all, three-quarters of all raid cards are mono-red), but there are a few nuances to keep in mind
The idea is to cycle a creature into your graveyard to then exile with Ellie and Alan, discovering into a new spell
All told this is not the ideal way to try and fill up your yard despite having some utility there, What it is good for is being an alternative Welder / Tinker target with very high power
I love the flavor though, it's a fun way to nab an extra Doctor from your deck
While giving your opponents cards is never ideal, with Winter, it'll be the only cards they'll have to work with
Setting up alerts for when these go live can often net you multiple types of booster boxes at prices lower than those distributors pay