Combos Utilizing Blastoderm

before blastoderm fades away, sacrifice it & tap stronghold assassin to destroy target nonblack creature

before blastoderm fades away, sacrifice it for the come into play cost of spined fluke

just before blastoderm fades away, sacrifice it to add +1/+1 to crovax

just before blastoderm fades away, sacrifice it to regenerate the creature enchanted by dark privilege

self explanatory

just before blastoderm fades away, sacrifice it to prevent damage to either you or a creature of your choice.

just before blastoderm fades away, sacrifice it to meet the come into play cost of culling the weak

with pandemonium in play, blastoderm and horned kavu deal 5 and 3 damage respectively. when blastoderm is fading out, use dragon mask or horned kavu to do more damage and return derm to hand

just before blastoderm fades away, i f*ck your sister.

before blastoderm fades away, sacrifice it to make opponent discard all green cards in his/her hand