Raging River [Unlimited Edition] Gargoyle Whenever Siege Dragon attacks

Whenever Siege Dragon attacks

Set: Modern Masters 2017 Type: Sorcery Rarity: Uncommon Cost: {U} Draw a card

{T}: Target player discards a card

Set: Betrayers of Kamigawa Type: Sorcery Rarity: Uncommon Cost: {2}{G} Create two 1/1 green Snake creature tokens

Set: Khans of Tarkir Prerelease Promos Type: Instant Rarity: Rare Cost: {6}{U}{U} Delve (Each card you exile from your graveyard while casting this spell pays for {1}

Raging River [Unlimited Edition] Gargoyle Whenever Siege Dragon attacksSet: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.