Cho'Gath Ever Feasting

Menace
{u}{b}{r} Until end of turn, if any creatures that
have been dealt damage by Cho'Gath die, for each
creature put X +1/+1 counters on Cho'Gath,
where X is half that creatures toughness rounded
up
{3}{u} Choose a creature target opponent controls,
it loses shroud and hexproof until end of turn
{b}{r} Cho'Gath deals 1 damage to target creature.
If it dies this way, add {b/r} to your pool