Twinflame Tyrant (Borderless) [Foundations]Set: Foundations Type: Creature Dragon Rarity: Mythic Cost: {3}{R}{R} Flying If a source you control would deal damage to an opponent or a permanent an opponent controls, it deals double that damage instead. The two heads occasionally disagree on trivial matters like who to eat first.

Discard Faerie Macabre: Exile up to two target cards from graveyards

Reverse Type: Token Creature — Vampire Demon Flying

Set: Zendikar Expeditions Type: Land — Plains Swamp Rarity: Mythic ({T}: Add {W} or {B}

Set: Commander 2011 Type: Enchantment Rarity: Uncommon Cost: {2}{R}{R} At the beginning of the end step

Set: Outlaws of Thunder Junction: Breaking News Type: Artifact Rarity: Mythic Cost: {6} When Contagion Engine enters the battlefield

Highly dangerous

Set: Doctor Who Type: Legendary Creature — Human Rarity: Rare Cost: {3}{W} The first historic spell you cast each turn has convoke

is an artifact in addition to its other types

this creature deals 1 damage to each opponent

where X is its toughness minus 1

Bringer of Ruin attacks

The Master had literally built his army one mutant at a time