Forgotten Battlefield

•{t} add {r} or {b} or {u}
•{t} Amass 1 (put a +1/+1 counter on an Army
under your control. If you do not control one,
create a 0 /0 black Zombie Army creature or a
0 /0 red Elemental Army or a 0 /0 blue Spirit
Army with flying creature token first.)