It puts the card directly into your hand, which circumvents drawing restrictions such as Notion Thief and Narset, Parter of Veils - and with that also doesnt count towards other catch up cards like the Smugglers Share mentioned earlier
Vial Smasher the Fierce would prove demonstrably powerful, with over 5000 decks from his top 3 Partner picks alone, but who could contend with This commander is practically synonymous with cEDH
I started with the set Onslaught back in 2002 with a black and red goblin deck It was the art that dragged me in and as an artist I always wanted to make my own magic cards
Thought Vessel is a decent mana rock, but the deck already has quite a few mana rocks, and having an unlimited hand size doesn't seem like it's all that useful
So, essentially, extra turn spells have a rate (in the modern era) of costing a variable five mana, a la Time Warp
Reaper of the Wilds is a highly powerful midrange card that needs no building around to tap into the power like Glissa requires of you
