Golden lLgion

Summon five 1/1 Golden Knight creatures with "For each creature named Golden Knight that you control, this creature gets +1/+1".
While this card is in your graveyard, you may pay {3}{w}{w}. If you do, each creature you control named Golden Knight gets +1/+1 and gains lifelink, first strike, and vigilance until end of turn. Then, exile this card.