Resources

Magic: The Gathering Oracle Changes

Coldsnap to Time Spiral (Single Change View)

New cards

Old card (Coldsnap) New card (Time Spiral)

Wurmcalling

{X}{G}

Sorcery

Buyback {2}{G} (You may pay an additional {2}{G} as you play this spell. If you do, put this card into your hand as it resolves.)

Put an X/X green Wurm creature token into play.