Ludsnow, The Blizzard

Flying
Whenever Ludsnow, The Blizzard attacks, tap up to two target creatures an opponent controls.
sacrifice an icebrood you control: draw a card.
Corrupt {2}{u}{u}: gain control of target creature, it becomes an icebrood in addition to its other types and has base power and toughness 3/3.
whenever an icebrood you control attacks, activated abilities of Ludsnow, The Blizzard cost {2} less to activate.