The King's Guard

Search your library for a legendary creature card, reveal it and put it into your hand. Shuffle your library.
Maltis: {2}{r}{r} (You may cast this card from
your graveyard for its maltis cost. Activate the maltis ability. Then exile it.)
Choose target legendary creature. Put 3 2/2 red knights on the battlefield with "Chosen creature
can't be target of spell or abilities of your opponents."