Ioreth of the Healing House does not have summoning sickness.
Arixmethes is a creature and does not have summoning sickness.
({3} magic symbol) ({G} magic symbol) available.
Steps
Cast Kamahl's Will by paying ({3} magic symbol) ({G} magic symbol) , causing Minamo to become a 1/1 Elemental creature with vigilance, indestructible and haste that's still a land until end of turn.