Iliad, Ice Keeper

Haste, defender
{t}, {w}{u}: Tap target creature, create a blue
and white token enchantment with "At the
beginning of your upkeep, you get one frost token"
and " {3}: untap this creature, sacrifice this enchantment. " equip it to tapped creature
{w}{u}: target opponent takes damage equal to the
number of frost counters on them