mtg mystery booster 2 card prices Underworld Breach · (MB2) #200 · Scryfall Magic: The Gathering Search Whenever an opponent casts a spell Urza's Saga | Mystery Booster

If Compy Swarm leaves the battlefield before its triggered ability resolves, the token will still enter the battlefield as a copy of Compy Swarm, using Compy Swarm's copiable values from when it was last on the battlefield

Its web-slinging cost makes it cheap to cast, and on entry you get a peek at an opponents hand before taxing one type of noncreature spell

Ashiok, Dream Render This high up the list, you know that any of the more straightforward self-mill spells are grading out among the best value for mana you can get

It becomes a card draw engine once its on board, and even better, you get to cast any permanent for free on each attack step