Standard UR Magnivore deck

4 Steam Vents

4 Shivan Reef

5 Mountain

9 Island

4 Magnivore

4 Sleight of Hand

4 Eye of Nowhere

4 Boomerang

4 Volcanic Hammer

3 Compulscive Research

4 Stone Rain

4 Demolish

2 Tidings

3 Wildfire

With this Deck you try to delay your opponent while filling your graveyard with many Sorceries for a huge Magnivore.