Saint Cassian, First of Men

Lifelink
{w}{w}{u}{u}{b}{b}{g}{g},{t}: Create a number of white
1/1 human creature tokens equal to the total
number of creatures controlled by each opponent
Oathbinder—when another creature you control attacks, you may tap Saint Cassian, First of Men
and give a target creature Oathbound 3 until the
end of the turn ({3}: this creature gains indestructible and protection from a color of your choice
until the end of the turn)