Lorthos And Xiralye

Mutate --- {1}{w}{u}{b} (If you cast this spell by paying its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under.)
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Reach and Swim (This creature can't be blocked by creatures with power 2 or greater. This ability allows creatures with this ability to be more versatile and dangerous in combat.)

Whenever this creature attacks, create