Greach, Wizard of War

Whenever you cast an instant or sorcery,
for each color in the spell that shares a color with Greach, create a study token of that color.
Then If you control 5 or more
•white permanents, gain 2 life
•blue permanents, scry 2
•black permanents, up to 2 target opponents
discard a card
{bull}red permanents, Greach deals 2 damage to
any target