Chaos Valkyria

Flying, Offering(When casting this card you may sacrifice creatures you control of the same type. This
card costs {x} less equal to the combined mana value
of the creatures sacrificed.)
Other Warriors you control have +2/0 and Haste.
Other Spellcasters you control have 0/+2 and
Absorb 1.
Creatures you control with Ritual have
First Strike.