Shaun, Father of Synths (Surge Foil) [Fallout] Tabletop Whenever an opponent attacks another

Whenever an opponent attacks another one of your opponents

long I stood there wondering

Set: Murders at Karlov Manor Promos Type: Enchantment — Case Rarity: Rare Cost: {2}{U} Instand and sorcery spells you cast cost 1 less to cast

Set: Pro Tour Promos Type: Legendary Planeswalker — Nissa Rarity: Rare Cost: {3}{G}{G} Whenever you tap a Forest for mana

Set: Innistrad Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {1}{B}{B} +1: Each player discards a card

Shaun, Father of Synths (Surge Foil) [Fallout] Tabletop Whenever an opponent attacks anotherSet: Fallout Type: Legendary Creature Human Scientist Rarity: Rare Cost: {3}{U}{R} Whenever you attack, you may create a tapped and attacking token that's a copy of target attacking legendary creature you control other than Shaun, except it's not legendary and it's a Synth artifact creature in addition to its other types. When Shaun leaves the battlefield, exile all Synth tokens you control.