Frisk, Determined Child

When you cast Frisk, you get DETERMINATION equal
to his mana value.

Whenever Frisk enters, you may pay any amount of X where X is your DETERMINATION, then choose one:
• Create a colorless Equipment artifact token called Toy Knife with "Equipped creature gets +X/+0" and equip {2}.
• Create a colorless artifact token called Snowball with "{t}: Sacrifice this artifact: Snowball deals X damage to any target".
• Create a colorless artifact token called Cake with "{t}: Sacrifice this artif