Tinker can sacrifice Mana Crypt to stop the damage flow, and Paradoxical Outcome can return it to your hand
This level of quality control does not exist on marketplaces or through proxy services
Longer term this card has a lot of potential if any low-cost Merlins are released especially in Sapphire, Steel, or Ruby
However, its worth mentioning that some effect cards can only happen at certain timings of the damage step, which they usually mention explicitly in their descriptions
With the flexibility to remove any threat , all you need is a few high-power cards to tip games in your favor as you slice and dice your way through opposing armies
You cant sacrifice the pieces of the merged creature under the top card, only the entire mutated creature