Innumerable Opposition

Target creature gets +2/+3 and gains lifelink until end of turn.
Impending Doom- If an opponent has at least 5 life more than you, that creature gets +4/+4 until end of turn instead.
Corageous- If an opponent controls at least 5 creatures more than you, that creature gains indestructible until end of turn.
"Forward unto glory!"