Momir: Pay X and discard: Create a random creature with converted mana cost of X.
Jhoira: Pay 3 and discard: Choose one from three random sorcery or instant cards.
Jace: Pay X and discard: Create a random Enchant or Artifact card with convert mana cost of X.
The general usage for the Basic game type is to build a deck with 60 basic land cards (in real life) and then use the app to create your tokens/spells. You can switch between the various types without losing your previous rolls. The premium version includes an updated engine, gui, and the ability to update your app's card database when new cards are released by WotC without needing to wait for an app update. It is also now optimized for 1440x2560 and will automatically scale to any other resolution from 480p to 4k.
Check out the free version before buying if you're curious about what the app can do. It's not as advanced, not updated to the new resolutions, and the card list is outdated but the general idea is the same: https://www.google.com/url?q=https://play.google.com/store/apps/details?id=game.mojomobile
Disclaimer: Magic: the Gathering, Gatherer, Wizards of the Coast, and physical card images used in this application are all owned and copyrighted by Wizards of the Coast. We do not claim ownership to or store any of said content. This application is an interface to their content for easier access using the information provided by Wizards of the Coast on their Gatherer website. Momir and Jhoira Vanguard game modes are only available in Magic: the Gathering Online and not available in print.
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