You can combine this with other effects to make the benefit to yourself even greater, but even just having this out and nothing else is going to give you a huge advantage over everyone else
In fact, this is almost a creature you won't want to cast from exile

$0.99 Layla Hassan (0127 - Showcase) Universes Beyond: Assassin's Creed Variants $1.29 Sigurd, Jarl of Ravensthorpe (0154 - Showcase) Universes Beyond: Assassin's Creed Variants $1.29 Aveline de Grandpre (0135 - Showcase) Universes Beyond: Assassin's Creed Variants $4.99 Achilles Davenport (Starter Kit) Universes Beyond: Assassin's Creed $0.79 Sigurd, Jarl of Ravensthorpe Universes Beyond: Assassin's Creed $1.49 Evie Frye (0129 - Showcase) Universes Beyond: Assassin's Creed Variants $1.79 Aya of Alexandria (0140 - Showcase) Universes Beyond: Assassin's Creed Variants $1.99 Ratonhnhake:ton (0150 - Showcase) Universes Beyond: Assassin's Creed Variants $1.49 Desmond Miles (0130 - Showcase) Universes Beyond: Assassin's Creed Variants $14.99 Ezio Auditore da Firenze (0131 - Showcase) Universes Beyond: Assassin's Creed Variants $10.99 Altair Ibn-La'Ahad (0137 - Showcase) Universes Beyond: Assassin's Creed Variants $8.49 Kassandra, Eagle Bearer (0148 - Showcase) Universes Beyond: Assassin's Creed Variants 0 results found

If an Aura is exiled this way, its owner chooses what it will enchant as it returns to the battlefield
Normally you'd pay two for an 0/5 in size with a keyword or two
Advanced Search Sets Random Syntax ONS Onslaught 88 - Common - English EN Card Name Mana Cost Type Creature Human Wizard Rarity Common rules Text : Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order