These cards are fairly rare, and are not legal for play in any format other than casual play
Unfortunately, Consecrated Sphinx costs a lot of mana and doesnt have any protective effects like hexproof
Your card is about 63 x 88 mm, so the sleeve needs a little wiggle room so youre not cramming cardboard like youre trying to fit a bulk rare into a top loader sideways
It doubles your dice rolling, which gives you a much better result on average, and does it well
Plus if youre new to MTG, theres little chance youd recognize the rarity or value of a card, or if that card is playable in a format like Standard or Modern
The best card shufflers are pretty simple, and most debate comes down to whether you want a manual crank-operated shuffler or an automatic battery-operated kind