Sarulf, Realm Eater Commander players love their board wipes
The blitz assault Wave of Rats is the only new card to really sink its teeth into that blitz mechanic, and while you've already got blitz built into this card (no need for Henzie's additional ability there), being able to bring this onslaught back time and time again is going to prove useful when you're running a sacrifice-heavy deck like Riveteer Rampage
Since Reclaim is instant-speed you can surprise your opponents with a spell from your graveyard after casting a cascaded sliver
Simple cantrips like Opt and Preordain become powerful card draw spells, and since Matoya doesnt have a once per turn restriction, you can draw cards throughout your turn with effects like Search for Azcanta, Retreat to Coralhelm, and Palantr of Orthanc
I love spellslinger decks, for example, so Kalamax, the Stormsire is my go-to deck