28, Jun, 21

Rebalanced Historic MTG Arena Banned Cards For Mirror, Mirror Event Revealed

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Earlier this month, Wizards of the Coast announced a new Magic: The Gathering Arena event coming this early July, and it’s called Mirror, Mirror. The event lets players run decks that include rebalanced (essentially nerfed) versions of cards currently banned in the Historic format. Now, it looks like the rebalanced cards have been leaked.

Andre Liverod, developer of the third party tracker application MTGA Assistant, recently datamined cards belonging to the set code “ANC” and asked the Reddit community on what they could be used for, and they were able to deduce the purpose of the game files, and how they will be changed for the upcoming event.


Let’s take a look at the rebalanced changes below. Note that these changes may not be the final versions of the cards, but we will update you here on MTGRocks when the patch goes live. Thassa’s Oracle and Time Warp were recently banned in Historic, but they’re not included here.

Rebalanced Changes For Banned Historic Cards

Agent of Treachery

Wizards of the Coast
Wizards of the Coast

Change: Agent of Treachery’s enters the battlefield ability triggers only if cast from the hand.

Field of the Dead


Change: Field of the Dead’s enters the battlefield ability triggers only if cast from the hand.

Fires of Invention


Change: Mana cost increased by one colorless mana.

Nexus of Fate


Change: Instead of shuffling Nexus of Fate back to the library, you have to exile it after casting.

Oko, Thief of Crowns


Change: Oko’s first ability gives +1 loyalty and the second ability now takes -2 loyalty.

Omnath, Locus of Creation


Change: When Omanth enters the battlefield, you Scry 1 instead of drawing a card.

Once Upon a Time


Change: When it’s the first spell each game, Once Upon a Time costs 1 instead of 0.

Teferi, Time Raveler


Change: Mana cost increased by 1 colorless mana.

Uro, Titan of Nature’s Wrath


Change: Uro no longer allows you to put a land card from your hand to the battlefield when it comes to play.

Veil of Summer


Change: Mana cost increased by 1 colorless mana.

Wildnerness Reclamation


Change: Instead of untapping all lands, you only untap up to two target lands you control.

Winota, Joiner of Forces


Change: Look at the top four cards of your library instead of six.

These nerfs look reasonable, so it would be interesting to see if these rebalanced versions can be viable in MTG Arena’s fan-favorite eternal constructed format. Since Historic is a digital-only format, it looks like WotC is finding potential ways to patch the format without banning the cards.

What do you think about these rebalanced versions of the banned Historic cards? Let us know what you think in the comments section below.

Related: All MTG Basic Lands From Dungeons & Dragons: Adventures in the Forgotten Realms Revealed

The Mirror, Mirror event launched on MTG Arena early July 2021. Expect Wizards to reveal more details about the event soon.

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