Anisa, Titan Awakener

Titanfall — Whenever a creature or Vehicle with
base power 5 or greater enters the battlefield
under your control, you may change the target of target spell or ability with a single target.
{3}{r}{w}, {t}: Create a 5/5 colorless Golem artifact creature token. This ability costs {1} less to
activate for each spell cast this turn.
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Great friends offer great protection.