Blues free spells is less exciting, owing largely to the fact we already have multiple free counterspells
The first ability is not really useful in Commander, except in some niche and desperate cases
The resulting discards translate into a lethal burst of direct damage that most decks simply cant interact with
This little Green instant is neither: players have only been playing it for a little over a month, and it wont rotate out of the Standard format for quite some time
(It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.") , Sacrifice this creature: Target creature gets -X/-X until end of turn, where X is twice the number of Blood tokens you control
Making the item even rarer is the fact that it was from the sets first edition run and had Shadowless artwork