Whir of Invention [Aether Revolt Prerelease Promos]

Whir of Invention [Aether Revolt Prerelease Promos]Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

If an instant or sorcery source would deal 3 or more damage to you

So I says to young Angus

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control

When Linvala enters the battlefield

Flashback {G} (You may cast this card from your graveyard for its flashback cost

Set: Morningtide Type: Enchantment Rarity: Rare Cost: {U}{U} As Declaration of Naught enters the battlefield

leaving the land charred and scorched in their wake

Set: Antiquities Type: Enchantment Rarity: Uncommon Cost: {B}{B} Sacrifice a creature: Destroy target artifact

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {X}{R} Rolling Earthquake deals X damage to each creature without horsemanship and each player

Whenever Xantid Swarm attacks

Set: Legends Type: Sorcery Rarity: Uncommon Cost: {R} Each player shuffles the cards from their hand into their library

Does it reflect the future that once was or the past that can never be