Thoughtseize (Toppers) [Double Masters] Commander 2011 Set: Mystery Booster Type: Enchantment

Set: Mystery Booster Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

The communal mind produces a savage strategy

Sacrifice Marsh Flats: Search your library for a Plains or Swamp card

trying to suss out which ones will place first and second in a quick race around a pyramid

Thoughtseize (Toppers) [Double Masters] Commander 2011 Set: Mystery Booster Type: EnchantmentSet: Double Masters Type: Sorcery Rarity: Rare Cost: {B} Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life. The mind is a fragile thing. Remove the smallest fragment, and the whole thing starts to fall apart.