modal mtg cards Double-faced card MTG Arena Reveals Modal Cards

Whenever you play a land or cast a spell from among cards exiled with The Matrix of Time, that card's owner loses 3 life and exiles the top card of their library

You don't have to pick the same number every time, you can adjust Talion every time you have him come into play to match what the table is playing

Finally, if you can play Manifold Key before you cast Codie, it can untap them for an additional activation every turn

Livaan, Cultist of Tiamat ( LC ) - A 2 mana 1/3 cost card that cares about non creature spells, which works in a spellslinger deck

Its a great card advantage engine, and always will be

Each half is called a door