You can only attack once after transforming, but it seems good for quietly generating card advantage
And this is not quite resolving Shark Typhoon for 3 mana, but its close. CovertGoBlues response to that kind of thinking is: Some of yall are weird
You don't even need to target just your own things, turning this into a rather handy politicking tool as well
Vorinclex, Voice of Hunger Price: $5.13 Vorinclex, Voice of Hunger may not have seen a lot of competitive play since it was in Standard, but its still a popular choice for Commander decks
Of course, such a powerful ability is limited to a once per turn clause, though
That said, Merfolk Secretkeeper is technically slightly better since it counts as two blue spells for Drowned Secrets purposes