The Fight of The Goats

This spell costs 1 mana of any colour less to cast for each Sus Human you control with power 3 or less.
Sus Human creatures you control have +2/+2, Menace, Haste and Trample.
{x}{x}{x}: Put a +1/+1 counter on X Sus Human Creatures.
Indestructible
Relics you control have indestructible.