Price of Progress [Premium Deck Series: Fire and Lightning] Khans of Tarkir Prerelease Promos during damage calculation in either

during damage calculation in either player's turn

you can: Make your opponent banish the top cards of their Deck face-down

{R}: Dragon Whelp gets +1/+0 until end of turn

Set: Weatherlight Type: Artifact Rarity: Rare Cost: {4} Prevent all damage that would be dealt to creatures

Price of Progress [Premium Deck Series: Fire and Lightning] Khans of Tarkir Prerelease Promos during damage calculation in eitherSet: Premium Deck Series: Fire and Lightning Type: Instant Rarity: Uncommon Cost: {1}{R} Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls. Man versus nature is not a fair fight.