owlbear mtg card Casal, Lurkwood Pathfinder // Casal, Pathbreaker — Universes Within (SLX) | You may put a creature card from among them onto the battlefield tapped and attacking that player Casal, Pathbreaker Owlbear

Glowing One deals radiation damage along with normal damage when a player is attacked, but Mirelurk Queens radiation counters are given to a target player only when entering play

Many of the best cards of recent eras play to this, like Fable of the Mirror-Breaker // Reflection of Kiki-Jiki, Esika's Chariot, Nissa, Who Shakes the World, Gideon, Ally of Zendikar, Mantis Rider, and so on

Unless there's a viable high converted mana-cost removal spell, many players will have to be content to try and Collected Company to hit a Reflector Mage

You pay all costs and follow all timing rules for cards cast this way

Alternatively, you can pick a small creature and follow it up with a board wipe, dealing with all of your opponents problem threats in one fell swoop