mtg commander more than 100 cards EDH Deck Lightning, Army of One Magic Custom Deck Boros Final Fantasy Combat Orvar, the All-Form COPY PERMANENTS

Phyrexia Arena is currently Standard-legal, but it doesnt see any real play

Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Endurance: To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as an evoke cost), add any cost increases, then apply any cost reductions

And in EDH, you might even be able to use his -4 for a bit of a boardwipe

[4] : 49 Playing lands and certain other special actions immediately take effect and do not use the stack

The alternative is crushing defeat