Volcanic Eruption [Summer Magic / Edgar] Innistrad Flying When this creature transforms

Flying When this creature transforms into Avacyn

How about these maps to recently discovered tombs

Set: Urza's Saga Type: Land Rare Cost: At the beginning of the end step

Where scavengers nest in hollowed-out rib cages and chittering crawlers peer from empty eye sockets

Set: Return to Ravnica Type: Land — Swamp Mountain Rare Cost: ({T}: Add {B} or {R}

Volcanic Eruption [Summer Magic / Edgar] Innistrad Flying When this creature transformsSet: Summer Magic Edgar Type: Sorcery Rare Cost: {X}{U}{U}{U} Destroy X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.