Heleira, Master Spellblade

{1}{w}{u}: Search your library for an aura card with
converted mana cost 3 or less and put it onto the
battlefield enchanting Heleira. Activate this
ability only any time Heleira is targeted by a spell
or ability controlled by an opponent.
{2}{w}{u}: Search your library for an equipment
card with converted mana cost 3 or less and put
it onto the battlefield equipped to Heleira.
Activate this ability only any time Heleria blocks
or is blocked and only once each turn.