Day of the Dragons [Scourge]Set: Scourge Type: Enchantment Rarity: Rare Cost: {4}{U}{U}{U} When Day of the Dragons enters the battlefield, exile all creatures you control. Then create that many 5 5 red Dragon creature tokens with flying. When Day of the Dragons leaves the battlefield, sacrifice all Dragons you control. Then return the exiled cards to the battlefield under your control.

Their creations continue to spread foul magic

Most mirrors show your reflection

Set: Celebrations: 25th Anniversary - Classic Collection Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

the Druid becomes one with nature

the Necromancer

rivers boiled

Set: XY: BREAKthrough Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: POP Series 8 Type: Metal Rarity: Rare Retreat cost: Colorless

Set: Platinum: Arceus Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Set: Alara Reborn Type: Creature — Leviathan Horror Rarity: Rare Cost: {3}{U}{B} Whenever Nemesis of Reason attacks

If there are no more scream counters on it

where X is the highest mana value among artifacts you control