Feline Battle Mage

Whenever you cast an instant or sorcery spell, create a
1/1 red Elemental Cat creature token with haste. Exile it
at the beginning of the next end step.
Instant and sorcery spells you cast cost {1} less to cast for
each creature you control that attacked this turn.
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"Come kitty, kitty, kitty. Come and defend your master.
I'll do my magic undisturbed while you fight."