Dragonskin Crusader

Haste, trample, alliance 1 (When this creature enters the battlefield, you may pair it with two creatures with colors other than this creature's colors. Allied creatures go as follows: green have trample, white have vigilance, blue have flying, red have haste, and black have menace.)
As long as Dragonskin Crusader is allied with a creature, it has +1/+0.