Swyrswys Hyllwyn

Raider, battle cry (Whenever this creature attacks,
each other attacking creature gets +1/+0 until end of
turn.)
{p/r}{p/r}: Put your Dragon Sight emblem on a
creature with raider. Swyrswys and that creature
get +2/+0 while attacking this turn. (Activate
only as a sorcery, and only once each turn.)
If Swyrswys leaves combat before the end of
combat step, it dies.