Batwing Brume [Archenemy] Arena League 2000 then discard two cards

then discard two cards

each player starting with you may pay any amount of mana

Set: Nemesis Type: Legendary Creature — Phyrexian Shapeshifter Rarity: Rare Cost: {3}{B}{B}{B} {1}{B}

Set: Eighth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

When I send a message

Batwing Brume [Archenemy] Arena League 2000 then discard two cardsSet: Archenemy Type: Instant Rarity: Uncommon Cost: {1}{W B} Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)