Dark Magician

Magical Hats - When this creature blocks, you may roll a d4. On a result of 2-4 remove the attacking creature from combat and this creature phases out. Otherwise it blocks as normal. Use this ability only once.

Spellbinding Circle - {t}: Tap target creature, it remains tapped as long as this creature remains tapped. You may choose not to untap Dark Magician during your untap step until it next becomes untapped. Use this ability only once.

Dark Magic Attack - When this creature