Austere Command [Lorwyn] SV21 This card cannot be Special

This card cannot be Special Summoned except with the effect of "Yubel - Terror Incarnate"

If "Great Sand Sea - Gold Golgonda" is in your Field Zone

destroy this card unless you reveal 1 Iron Core of "Koa'ki Meiru" in your hand

Set: Legendary Duelists: Ancient Millennium Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1200 When this card is Summoned: You can place 1 "Crystal Beast" monster from your hand

Set: Hidden Arsenal 2 Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2200 Defense: 1700 1 EARTH Tuner + 1 or more non-Tuner EARTH monsters While this card is face-up on the field

Austere Command [Lorwyn] SV21 This card cannot be SpecialSet: Lorwyn Type: Sorcery Rarity: Rare Cost: {4}{W}{W} Choose two Destroy all artifacts. Destroy all enchantments. Destroy all creatures with mana value 3 or less. Destroy all creatures with mana value 4 or greater.