Icingdeath, Frost Tyrant is a mythic Legendary Creature — Dragon card from Magic Online Promos (PRM), collector number 92620.
Flying, vigilance When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip {2}.