Centaur of Attention (Galaxy Foil) [Unfinity] Duel Decks Anthology Whenever a spell or ability

Whenever a spell or ability you control counters a spell

even this makes sense

Set: New Phyrexia Type: Instant Rarity: Uncommon Cost: {1}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

Set: Commander 2017 Type: Sorcery Rarity: Rare Cost: {4}{G} Draw cards equal to the power of target creature you control

Set: Battle for Zendikar Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

Centaur of Attention (Galaxy Foil) [Unfinity] Duel Decks Anthology Whenever a spell or abilitySet: Unfinity Type: Creature Centaur Performer Rarity: Rare Cost: {3}{G}{G} When Centaur of Attention enters the battlefield, roll five six sided dice and store those results on it. At the beginning of combat on your turn, you may reroll any number of Centaur of Attention's stored results. Centaur of Attention gets +X +X, where X is the greatest number of stored results on it for the same value.