mtg cards like isochron scepter Foil from From the Vault: Relics (V10) Proxy you may cast the copy without paying its mana cost. Isochron Scepter + Pull from

If so, blue has a couple potent board wipes that are tailor-made to punish green decks: Hibernation and Acid Rain

Is Emrakul banned in Commander Well, yes, but it depends which Emrakul you're talking about

Here, we have a cheaper to cast alternative to the splashy Mythic from the main set

You can capitalize on a few tricky spells to blink Saskia as well, letting you switch where the damage is going at the last minute on an unprepared opponent

Ken Nagle suggested something pretty radical

In Limited theyre likely to be a fairly good rate creature when they first enter the battlefield, and the token leaves something relevant around when it dies