All these actions are mandatory
Kuldotha Forgemaster Kuldotha Forgemaster is a 3/5 for 5 that has a simple ability that lets you sacrifice three artifacts to tutor out any artifact card from your library and put it onto the battlefield
They were part of the original Magic: the Gathering Alpha set way back when Llanowar Elves was first printed in 1993 and have been a huge part of the game ever since
9 Ashen Rider Having to hit eight mana to cast Ashen Rider in a game takes far too long, even in Commander games where there are all sorts of shenanigans available to ramp up in mana and Treasure tokens

Aarakocra Sneak Acquisitions Expert Aether Theorist Aetherblade Agent Aetherborn Marauder Aethertorch Renegade Agate Instigator Agent of Horizons Agent of Kotis Agent of Treachery Akki Underminer Akul the Unrepentant Aladdin Ali Baba Alley Assailant Alley Strangler Alora, Merry Thief Ambush Party Amphin Cutthroat Annie Flash, the Veteran Anowon, the Ruin Thief Ant-Man, Colony Commander Ant-Man, Elusive Avenger Ant-Man, Reformed Rogue Arala, Hedron Scaler Arms Dealer Astarion, the Decadent Atlantean Skirmisher Audacious Infiltrator Audacious Thief Auntie's Snitch Aven Interrupter Azula, Cunning Usurper Azure Beastbinder Backstreet Bruiser Bala Ged Thief Balustrade Spy Bane Alley Blackguard Bane Alley Broker Baneblade Scoundrel Battlefield Scavenger Beetle, Legacy Criminal Bilbo, Birthday Celebrant Bilbo, Retired Burglar Bill Ferny, Bree Swindler Bitterbloom Bearer Black Cat, Cunning Thief Black Market Tycoon Blackbloom Rogue Blade Juggler Blighted Agent Blightwing Bandit Blood Burglar Blood Hustler Bloodborn Scoundrels Bloodthirsty Aerialist Body Launderer Boggart Arsonists Boggart Forager Boggart Loggers Boiling Rock Rioter Bold Plagiarist Brazen Borrower Brazen Collector Bria, Riptide Rogue Brinebarrow Intruder Burning-Tree Vandal Butch DeLoria, Tunnel Snake Byway Barterer Cache Raiders Cackling Culprit Cackling Prowler

6 The Store As in all free-to-play games, Wizards of the Coast offers their fans different ways to interact with the game