Convoke easily outweighs the higher cost since you often cast this card for less than 4 mana (its never worth casting it if you have fewer than two creatures anyway), and you can cast it whenever you like
That said, if a two-turn clock will win the game before your opponent gets a chance to cast Shatterstorm or Creeping Corrosion, you should opt for that instead
The largest sports and Pokmon card show in Southwest Florida is set for Feb
cards ever made, including the likes of Exodia the Forbidden One, Pot of Greed and Raigeki from Legend of Blue-Eyes White Dragon, and Black Luster Soldier - Envoy of the Beginning and Chaos Emperor Dragon - Envoy of the End from Invasion of Chaos
Charizard-EX is among the most loved and fiercest Pokmon, and it is included as a stunning oversize card
There are so, so many better lands that could be reprinted instead of this card