Only cast this when you know what your opponent is holding or when your permanent is objectively more dangerous than anything they could possibly have
After issues arose with the War of the Spark Masterpiece Series, Wizards of the Coast apologized to buyers by distributing uncut, foil rare/mythic rare sheets of the set
Of course, if you can transform Eddie Brock, you can immediately attack with the menacing, trampling, haste creature and immediate generate card advantage by attacking and sacrificing another creature
Thats sort of the floor here too, because you can move the Halberd to other stuff that can take more advantage of it
Leori, Sparktouched Hunter An army of Chandras This massive elemental cat is going to make your planeswalkers a lot more effective
For a play thats a little more intense, you could use the tap symbols to pay for two Time Vault activations, granting you infinite turns with the tricky artifact