House Spider

Reach
{1}{r/g}{r/g},{t}: Exile House Spider and target
creature that's attacking you.
Return a Red or Green creature you control to
your hand, {4}{r/g}{r/g}: Put House Spider into
the battlefield. Use this as an instant.
"A House Spider? I don't see how that is a problem."
Reluctant Seneschal, not understanding.