...sigh. I blame myself, but Boggy, you forgot to put in the 'flying sleighman' spell into your Character Stats post.
Anyway:

Fooruman: Heal on Shuriken, attack Solstice. Solstice has 29HP.
Grandma: Defend.
Sam and Shuriken: Attack box. Box has 12HP.
Solstice: Attack Fooruman. Fooruman has 6HP.

Fooruman: SE. Cast Foshzzle on Solstice. NE. Solstice has 15HP.
Grandma: W.
Sam and Shuriken: Attack box. Box has 4HP.
Fooruman: Defend.
Solstice: Attack Grandma. Grandma has 17HP.

Grandma: Attack Solstice. Solstice has 12HP.
Solstice: Attack Grandma. Grandma has 10HP.
Shuriken: Attack box. Box is destroyed.
Sam: 2xNE.
Fooruman: Defend.

Grandma: Attack Solstice. Solstice has 9HP.
Fooruman: Defend.
Sam: N.
Shuriken: 2xE, NE, N.
Solstice: Attack Grandma. Grandma has 3HP.

…I’ll make up the rest as we go along. :P