thickness of mtg card Proxies & Dimensions: Essential Quick Guide Blazing Torch~254~NM~(INR) - Innistrad Remastered~MTG

If you're able to use this Ajani's -7 ability, it offers a stellar defensive benefit that reduces all damage you and Planeswalkers would take to one, mitigating the threat of even the scariest of creatures, and direct damage spells.

Who will likely have the most answers to your deck (e.g., heavy removal)

Ray Perez is going to poop when he sees another sick Esper Planeswalker, especially one that shuts down the few creatures they manage to play through your wall of permission and removal

Two spells

(Most phone apps like MTG Familiar also have a dice roller.) I'd encourage people to default to non-spindowns when they have one on hand, but personally I wouldn't have any problem with someone rolling a spindown die in my games for now