You miss out on being able to remove creatures with this black sorcery, but youre probably already playing better cards that do that if it's a concern
Example Let's take a look at an example sealed deck, with an eye toward its mana
Norritt was a card in the vein of Nettling Imp, only it cost one more Mana and had the ability to Untap target blue creature. The idea of using your land to deal damage is not a new concept, but Ice Ages hecatomb took it to a new level
When youre losing, using the Assembly to give you the Thopters you need to power Sieve and get back into the game is a good play
In the world of green midrange or ramp decks, landing a Harmonize often means sustaining the pressure and avoiding running out of gas
If you do, it gains haste, and its returned from the battlefield to its owners hand at the beginning of the next end step.) Backup 1 (When this creature enters, put a +1/+1 counter on target creature