Ewald, Petty Judge

At the beginning of your upkeep, put a filibuster counter on Ewald, Petty Judge. Then if Ewald, Petty Judge has five or more filibuster counters on it, you win the game.
Whenever a source deals damage to you, remove a filibuster counter from
Spells your opponents cast targeting you or a permanent you control cost {1} more.
Creatures can't attack you unless their controller pays {1} for each creature attacking
you.