Brine Seer [Urza's Destiny] Phyrexian Horror Mercenary that player discards a card

that player discards a card at random

Set: Dark Ascension Type: Creature — Dryad Rarity: Common Cost: {1}{G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest

Set: Magic 2013 Type: Creature — Dragon Rarity: Rare Cost: {R} Flying

Set: Aether Revolt Type: Sorcery Rarity: Uncommon Cost: {3}{G}{G} Monstrous Onslaught deals X damage divided as you choose among any number of target creatures

Ancient Amphitheater enters the battlefield tapped

Brine Seer [Urza's Destiny] Phyrexian Horror Mercenary that player discards a cardSet: Urza's Destiny Type: Creature Human Wizard Rarity: Uncommon Cost: {3}{U} {2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way.