Mash Kyrielight

If a source would deal damage to another Servant or Master you control, prevent all but 1 of that damage.

Servant summoning {x}{t}: Search your library for a servant spell with cost {x} or less and put it on the battlefield.

Lord Camelot {2}{w}: All Servant and Master creatures you control gain "The first time a source would deal damage to this creature, prevent that damage" until end of turn.