Sigarda, Incandescent Savior

Flying, hexproof
Angels and Humans you control have haste.
Ignite —Whenever Sigarda attacks, if you are
attacking with at least two other creatures, you
may pay {x}{x}{r}{w}. If you do, creatures you
control get +X/+X and gain trample until end
of turn. Sigarda deals X damage to any target.
"With wings ablaze and a spirit unyielding,
Sigarda descended to engulf the battlefield with
righteous fire."