Gardrin Hektesh (Dragon Lord)

Double strike
Draconic lineage (Gardrin Hektesh can't blocked by dragons and has protection from dragon abilites.)
Force of Will-{5}{w}{w}: All atttacking creatures
you control get +X/+X where X is Gardrin
Hektesh's power, and all blocking creatures
defending player controls gets -X/-0 where X is
that creatures toughness divided by 2 rounded
up.