the dragon eternal

+4: create an emblem with "tap {5}{r}{r} create 2 4/4 red dragons named Dragon spawn with flying and haste"
-X: create half X emblems rounded up with "dragons you control get +1+1 for each creature with
-10: create an emblem with "dragon you control can't leave the battlefield (THEY CAN'T LEAVE UNDER ANY CIRCUMSTANCES GET IT GET IT DON'T ARGUE)"