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Its an unusual effect on a creature, which can also double up as a Tarmogoyf with extra abilities
Its also kind of hilarious, in a way that most actual infinite damage loops simply arent
Living Energy 0003_MTGDFT_CommFace: Saheeli, Radiant Creator 0002_MTGDFT_CommFace: Pia Nalaar, Chief Mechanic Check out the cards from Living Energy in the Aetherdrift Card Image Gallery (tokens and helper)
Warp, foretell, cascade, and Adventures all cast from exile, and with three colours Ghost-Spider has more than enough cards available to it to get nice and big before it attacks