Call upon the heavens

For this spell to work you will pour the vial of your blood onto the stone the stone will then glow with a color of the rainbow of your choice you will then, after performing this spell, go unconscious until 1 of the following conditions are met: takes damage, returned to max hp, have any spell used on you or it changes from day to night (or vise versa).Each color does a different thing: red- your body grows to twice its size (double damage for unarmed strike). orange- a ghostly figure bursts from your body causing all undead creatures in a 100 ft range to be destroyed.  Yellow- al creatures in a 30 ft radius fall magically asleep. green- all creatures in a 30 ft radius must make a con saving throw with disadvantage or take 1d8 acid damage, blue- create a 10 ft by 10 ft block of ice at a point in a 60 ft radius. anyone, including you, in the radius must make dex saving throw or be frozen in the block of ice and reduced to 0 hp. No-one can pass through this block if they touch it ( aka be pushed into it by an attack or something else etc) take 1d4 cold damage. Purple- heal any creature in range (not you) by giving 1d6 health points back (if it goes higher than the receiver’s max hp they get the rest in temporary hp).