The €19 lock they're passing off as "synergy": Lattice-Silence dismantled

Everyone will tell you this is a "nasty but fair" combo, casual-table stuff that only punishes your opponents' artifacts. That's wrong, and if someone's telling you that, they've probably never played on the other side of the table. This is a symmetrical lock that often hurts you more than it hurts them, and it needs to be properly understood before you slot it into your deck thinking it's a "value engine."

How it works, no sugarcoating

Mycosynth Lattice does one thing, but it's devastating: every permanent, of every color and type, also becomes an artifact. Lands, creatures, enchantments, everything. On its own it's already a dangerous piece because it enables zero-cost combos (Lattice plus any "sacrifice an artifact: pay 0" effect is a separate conversation, and not our concern here).

What concerns us is the pairing with Stony Silence: "activated abilities of artifact sources can't be activated unless they're mana abilities." With Lattice on the battlefield, everything is an artifact source. Result: nobody can activate anything except pure mana abilities anymore. No tapping creatures, no equipment, no planeswalkers, no fetchlands, no graveyard recursion loops, no Command Tower to activate (thankfully that one isn't needed). The table freezes on a plane where only vanilla attacks and abilities written in plain text still matter.

The key word is symmetrical. It locks you out too. If your Plan B isn't "win with big creatures and passive triggers," you've just disarmed your own deck as well.

Where it makes sense to run it (and where it doesn't)

The color identity here is clear-cut: white-green, Selesnya. You need a commander that doesn't rely on activated abilities to close out the game, one that wins "regardless."

• Trostani, Selesnya's Voice — the passive lifegain keeps working even under the lock, and the tokens it generates attack without needing any activations.
• Karametra, God of Harvests — her abilities are innate/passive for the land tutor, not activated, so she survives the lock just fine.
• Rhys the Redeemed — watch out, his token-making ability IS activated: it becomes a dead card with the lock in play. A perfect example of how easy it is to shoot yourself in the foot.
• Emeria Shepherd — value from ETBs and attacks, zero dependence on tap-abilities.
• Aesi, Tyrant of Gyre Strait — its triggers are automatic on landfall, no clicking required.

Note well: if your commander lives and dies by equipment, tap-creatures, or planeswalkers, this combo is a gun pointed at your own head.

Lines of play: how (not) to blow up in your own hand

The correct sequence is almost always: Stony Silence first, then Lattice, not the other way around. If you cast Lattice first, the table keeps functioning normally for a full turn, giving your opponents time to react or exploit the window. With Silence already in play, Lattice lands and the lock snaps into place for everyone at the same instant.

Protecting the combo mostly means protecting Lattice: it's an artifact (ironically vulnerable to itself) and an obvious target for any generic artifact removal. You're relying on generic protection from a Selesnya deck — there are no counterspells in white-green, so the real defense is redundancy: if Lattice dies, the lock collapses and you're back to a normal board state, so there's no need to panic — you just need to already have a win plan that doesn't depend on tap-abilities, so you can close the game before someone finds the removal.

Budget vs Premium: there's no choice here, it's already budget

Mycosynth Lattice at €16.93 and Stony Silence at €2.15, totaling €19.08. There's no "premium" version of this combo: these are the only two cards that do exactly this, and there are no functionally different alternate reprints to recommend. The only real investment is in the rest of the deck: if your commander and your curve are already built to function without activations, this €19 is probably the best price-per-point spend in your whole deck. If they're not, you're throwing €19 into a mousetrap with yourself as the mouse.

My verdict

Bracket 3 is correct, maybe even generous: this isn't a combo that wins the game, it's a combo that freezes the game, and at a mid-to-high-power table, freezing everything often favors whoever already has the best board state at the moment of the lock — which might not be you. They call it "fun synergy" because it sounds better than "a €19 double-edged weapon that requires a deck built around it so it doesn't hurt you too." Before you buy it, look at your decklist and honestly ask yourself how many cards become dead cards. If the answer is "more than three," save the twenty euros.