Altar of Dementia [Tempest] Dragons of Tarkir As Thief of Blood enters

As Thief of Blood enters the battlefield

A deafening roar arose as the fury of an enormous vertical river supplanted our serenity

Set: Eventide 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

Set: Arena League 1996 Type: Sorcery Rarity: Rare Cost: {X}{R} This spell costs {1} more to cast for each target beyond the first

Altar of Dementia [Tempest] Dragons of Tarkir As Thief of Blood entersSet: Tempest Type: Artifact Rarity: Rare Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. "It is not that you will go mad. It is that you will beg for madness." Volrath