Ilsumri, Comfort Supplier

Ilsumri and other creatures spells you cast cost
one mana less to cast of each color among
creatures you control.
You may cast creature spells as though they had
flash.
Whenever you cast a creature spell, create a 0/1
Caravan creature token that's all colors, has rider
1, and "This creature's power increases by an an
amount equal to any creatures riding it." Then,
regenerate all creatures you control, and they
gain haste this turn.