While it excels there, its actually just a great deterrent from attacks in any deck looking for more interaction
When its an opponents permanent youre only temporarily controlling and would have to give back to them
Instant Color tag templates(None) Thousand-Year Storm Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn
Not normally, but if Shellephant has first strike, double strike, or triple strike, and the creatures it's in combat with have none of them, you can deal damage as a 3/3 and then change it to a 1/4 before normal damage happens
Theres nothing quite as satisfying as turning an End the Festivities into Plague Wind
The Monk rates lower on the list because he can be more easily killed by the color he is designed to hose