Austere Command [Commander 2011]Set: Commander 2011 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.

then discard that many cards

Vraska Type: Creature — Avatar Rarity: Rare Cost: {3}{U}{U} Aeon Chronicler's power and toughness are each equal to the number of cards in your hand

Set: World Championships 2011 Type: Lightning Rarity: Common

Discard a creature card: Put a +1/+1 counter on Lotleth Troll

Set: EX: Delta Species Type: Water Rarity: Secret Rare Retreat cost: Colorless

Aether Flash deals 2 damage to it

Set: Guilds of Ravnica Type: Sorcery Rarity: Rare Cost: {4}{B}{G} Destroy target creature

Whenever you play a land

return it to its owner's hand at the beginning of the next end step

Set: Gym Challenge 1st Edition Type: Fire Rarity: Common

Set: Black & White: Plasma Storm Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Revised Edition Type: Basic Land — Island Rarity: Common ({T}: Add {U}