Call an Ambulance

Target blocking creature you control gets +X/+X where X is the combined toughness of all attacking creatures until end of turn.
Foretell {2}{u} (During your turn, you may pay {2} and exile this card from your hand face down.
Cast it on a later turn for its foretell cost.)
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"Ah, Aw, Call an Ambulance! But not for me!"