future sight mtg card list Imagining an updated "Future Sight" frame You may play the top card of your library. Future Sight (Red) | Compendium

One mana becomes three immediately, letting you jump turns ahead

A lot of balance and care goes into choosing the cost of a card, more than I can express here, but looking for similar effects on existing Magic cards can give you an idea of a fair costfor example, a ramp spell that puts two lands into play ought to cost 4 mana, per Explosive Vegetation

Alternate win conditions like Promising Stairs add a fun challenge to gameplay

For seven total converted mana it seems reasonable, but what makes this card so powerful is its inclusion of the Miracle mechanic

One of the earliest pieces of artwork shows a heroic mouse standing its ground against a large, savage wolf