mtg sphinx cards Vexing You may reveal this card from your opening hand Supertype: Legendary, Subtype: Sphinx, 15

You'll want this counter as soon as possible, so to help offset the discard, let's turn a disadvantage into an advantage with a mechanic that loves discard: Madness

You can generate a colorless mana without any downside, or fix colors while casting a legend, not to mention the cant be countered clause

The War Doctor Teferi's Protection, Disciple of Caelus Nin, and Clever Concealment would synergize well with The War Doctor

Hiram was that link in the chain

I do think a lot of these cards need haste because you only have a single opportunity to swing with them and then they are gone, but maybe that final trigger is more than enough

Its very annoying for your opponents because if they kill the equipped creature, they still have to deal with the 1/1 lizard