Akroma, Vision of Ixidor

Flying, first strike, vigilance, trample

At the beginning of each combat, until end of turn,
each creature you control gets +1/+1 if it has flying,
+1/+1 if it has first strike, and so on for double
strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample,
vigilance, and partner.

Partner