Myrell Sireadh, Gyre Mage

{t}{u}{u} : Adapt 1.
Whenever you put a +1/+1 counter on Myrell Sireadh, Gyre Mage, you may counter target
instant or sorcery spell with converted mana cost
3 or less. If a spell is countered this way, exile it.
{u}, remove a +1/+1 counter from Myrell Sireadh,
Gyre Mage : you may cast a spell exiled by Myrell Sireadh, Gyre Mage.