You can purchase multiple copies of the same deck, and there are a couple theme decks that can be combined to make a fairly competitive standard format deck
Letting you play the exiled card until the end of your next turn gives this card great value in Limited
Aang, the Last Airbender Abigale, Eloquent First-Year Aclazotz, Deepest Betrayal Adult Gold Dragon Aerial Responder Aetherborn Marauder Aethersphere Harvester Akroma's Will Akroma's Will Akroma, Vision of Ixidor Alela, Artful Provocateur Angel of Indemnity Angel of Invention Angel of Unity Angelic Skirmisher Animus of Predation Archangel Elspeth Archangel of Thune Archangel of Thune Archangel of Wrath Archfiend's Vessel Archon of Sun's Grace Archon's Glory Arctic Aven Arna Kennerd, Skycaptain Assassin Initiate Atraxa's Skitterfang Atraxa, Grand Unifier Atraxa, Grand Unifier Atraxa, Praetors' Voice Aurelia's Vindicator Baneslayer Angel Baneslayer Aspirant (playtest) Barrow Naughty Battlegrace Angel Betor, Ancestor's Voice Bleeding Effect Blessed Defiance Blood Baron of Vizkopa Bonepicker Skirge Boon-Bringer Valkyrie Bre of Clan Stoutarm Breathless Knight Brisela, Voice of Nightmares Butcher of the Horde Cairn Wanderer Captain Marvel, Earth's Protector Celebr-8000 Celestine, the Living Saint Champions of Tyr Chancellor of the Dross Chromanticore Congregation Gryff Cosmic Spider-Man Crystalline Giant Daggerdrome Imp Dawnbringer Charioteers Deep-Cavern Bat Divinity of Pride Donald Blake, Guise of Thor Dragonbroods' Relic Dragonlord Dromoka Dream Trawler Drogskol Reaver Dust Animus Eater of Virtue Eirdu, Carrier of Dawn Elenda and Azor Elenda's Hierophant Elgaud Inquisitor Elspeth Resplendent Enter the Avatar State
The benefit for casting those higher-costed creatures is arguably greater, though, as Helga draws a card, gains a life, and gets a +1/+1 counter for each of these creatures cast
Dont make Banette angry, or it will use Grudge
This price can be explained by the fact that stainless steel was in use only once
