rare mtg cards 50 Random Old Border that ability triggers an additional time. MTG Card Rarity Guide (2026):

The mana cost HAS to be equal to what you search up, not less than or equal. I think in the end this is probably just unplayable, it is far too particular to make work in Limited

They could reprint these cards by creating similar but worse cards by slightly changing their mana cost, another stat, or type, but thats not the issue

Kicking things off we have The First Doctor, who tutors up The Tardis (since William Hartnell's Doctor ran off with it) and synergises with the MTG Cascade keyword (which the Tardis grants to other permanents

Mox Opal Mox Opal is the kind of card that does not look like much until you play it in the deck that actually supports it, and then it feels borderline unfair, which is why people call it one of the best mana rocks in MTG

Not only does this tie up their mana each turn, but when they can't pay it anymore, they lose 20 life