It’s easy to be hyperbolic when discussing cards from Modern Horizons 3. As a set specifically designed to supplement high-power eternal formats, the card quality is a cut above the usual Standard legal fare. As a result, words like “Broken” and “Format-Defining” have become commonplace in community discussions of the new leaks. Often these are just early excitement, but sometimes there’s real substance behind them. That’s very much the case with Vexing Bauble, one of the most exciting MTG cards we’ve seen in years. If the leak is to be believed.
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Vexing Bauble

Vexing Bauble doesn’t look like the stuff of multi-format glory at first glance. It’s a one-mana Artifact, an Uncommon no less, that counters spells if no mana is spent to cast them. This is a symmetrical effect, so it counters your spells as well, if applicable. You can also pay one, tap and sac it, and draw a card. On-board Cycling one, essentially.
This is the kind of card that’s a perfect teaching opportunity for new players. It looks like a niche waste of cardboard to the untrained eye. Those who know the Magic meta well, though, will immediately see the card’s potential to completely shut down multiple important decks. We’ll get into the specific decks shortly, but for now, it’s enough to know that a surprising number of decks rely on casting spells for free.
This isn’t the first time we’ve seen an effect like this.
Void Mirror


Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
, and
Boromir, Warden of the Tower

Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
Sacrifice Boromir: Creatures you control gain indestructible until end of turn. The Ring tempts you.
all offer similar abilities. What makes Bauble special compared to these is its mana cost. Being just one colorless means you can get it down on turn one before your opponent can get going.
Vexing Bauble’s cost also means the card is a valid
Urza’s Saga

I — This Saga gains "{T}: Add {C}."
II — This Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'"
III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.
tutor target, which boosts any card’s playability by a lot. The lack of any color requirement means any deck can run it, too. This should, at minimum, ensure the card a spot in nearly every eternal sideboard. As we’ll get into, though, Vexing Bauble is almost certainly main deck material.
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Impact In Modern

In its current state, Modern is a format dense with sneaky decks that love playing powerful spells for no mana. The top dog in the meta at the moment is Rakdos Scam. This is a deck that relies on cheating out
Grief

When this creature enters, target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Evoke—Exile a black card from your hand.
alongside
Not Dead After All

The key to this deck’s success is Grief’s Evoke ability, which lets you cast it for free. With a Vexing Bauble in play, that key is snatched away. The card also handily counters cards cast off of
Dauthi Voidwalker

If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.
{T}, Sacrifice this creature: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.
, another staple card in the deck. Without these broken starts, Scam is forced to play like a normal Rakdos Midrange deck, which is far easier to deal with.
Another deck that Bauble dismantles is Living End. This one is all about using
Shardless Agent

Beyond these major archetypes, there are a host of individual powerful cards hosed by Vexing Bauble.
Crashing Footfalls

Create two 4/4 green Rhino creature tokens with trample.
,
Scion of Draco

Flying
Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.
, and most of the good Affinity cards, for example, get countered outright. With Artifacts set to make a comeback post-MH3, this could be very important indeed in Modern. To say nothing of the new MH3 Flare cycle, which doesn’t get a chance to run rampant in a Bauble-less world.
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Impact Beyond Modern

Modern isn’t the only MTG format Vexing Bauble is set to hit like a truck, however. Legacy and Vintage have even more of a tendency towards free spells and broken turns. Or at least they do for now, in a pre-Bauble world.
Force of Will

Counter target spell.
may be the most notable example and one of the key cards that separates these two formats from Modern.
The fact that Force of Will exists, as a mostly-free universal Counterspell, goes a long way towards keeping the shenanigans possible in these older formats in check. With a Vexing Bauble in play, though, it’ll be countered itself before it can address any given problem. Of course, with a Bauble in play, a lot of these problems themselves will also be countered, so swings and roundabouts.
Vexing Bauble will also disrupt the high volume of ‘fast mana’ in both formats.
Lotus Petal


This means that Vexing Bauble will counter them if played. If you’re on the play, you can drop your own Moxen followed by Vexing Bauble to lock your opponent out of a similarly strong start. Not quite in keeping with the ‘fair’ ideals of the card, but very effective nonetheless.
It’s rare to see an MTG card with such strong potential in every format, but Vexing Bauble is the real deal. If this leak is real, then you’re likely looking at another ‘Mythic Uncommon,’ in both power and price terms.
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