Powder Keg [Urza's Destiny] Legions Set: From the Vault: Twenty

Set: From the Vault: Twenty Type: Instant Mythic Cost: {B} Add {B}{B}{B}

As long as Archangel of Tithes is attacking

You may put that card on the bottom of that player's library

Set: Amonkhet Prerelease Promos Type: Enchantment Rare Cost: {6}{G}{G} Creatures with flying can't attack you or planeswalkers you control

Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer

Powder Keg [Urza's Destiny] Legions Set: From the Vault: TwentySet: Urza's Destiny Type: Artifact Rare Cost: {2} At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with converted mana cost equal to the number of fuse counters on Powder Keg.