At a glance
- Format: Standard
- Colors: White / Blue / Black (WUB)
- Archetype: Dimir tempo-midrange (Kaito + Enduring Curiosity)
- Power tier: high
- Standard: ✅ Legal
Strategy
This is the real, ladder-proven Dimir shell: a tempo-midrange deck that flashes in cheap evasive threats, taxes the opponent’s board with interaction, and turns combat damage into a card-advantage avalanche. The nominal third color is a near-non-factor — there’s no white in the maindeck spells, so it plays as straight UB with a flexible mana base (Watery Grave, Gloomlake Verge, Restless Reef). The early game is built around proactive two-drops that also defend: Floodpits Drowner taps down and stun-counters the scariest attacker or blocker (and recurs itself late), Spyglass Siren is an evasive flyer that fuels Maps, and Preacher of the Schism bleeds the opponent for cards or tokens whenever they’re at parity-or-ahead on life. The interaction is exactly what you want in the current metagame — Long Goodbye (uncounterable, dodges ward), Bitter Triumph, and Shoot the Sheriff are clean unconditional-ish removal, Phantom Interference and Tishana’s Tidebinder give you flexible counter/flash disruption, and Massacre Wurm is a one-card board wipe against the format’s go-wide aggro.
The engine that makes it more than a pile of good cards is Enduring Curiosity (4x): flash it in, and every connection from your evasive creatures draws a card, and because it returns as an enchantment when it dies it’s miserable to remove permanently. Stack that on top of Kaito, Bane of Nightmares (3x) — the deck’s best card. Kaito ninjutsu’s in for tempo, becomes hexproof and a recurring threat on your turn, draws/mills, and snowballs games out of nowhere; with Curiosity online he’s a card-advantage machine that also closes the door. Azure Beastbinder and the Siren/Preacher bodies supply the evasive damage that keeps the draw triggers and Kaito’s loyalty flowing, while Phyrexian Arena and Darkstar Augur provide grindy card flow for the long game.
The deck wins two honest ways: it tempos out a quick clock with flyers and unblockable bodies backed by counters/removal, or it grinds — Curiosity + Kaito + Arena bury the opponent in cards, removal answers their threats one-for-one-plus, and chip damage plus Cecil, Dark Knight and Preacher’s lifeloss finish from a stabilized board. Honest read for ladder: this is a high-tier Standard deck — a known top-meta archetype with a tight curve and great interaction. It’s a notch below true “competitive/best-deck” status here mostly because the build is a little durdly at the edges (singleton Massacre Wurm/Strategic Betrayal, only 2 hard counters, 3 tapped lands), and the available upgrade menu has obvious tuning to push it there — adding the second Kaito, Cunning Infiltrator, Sidisi/Midnight Reaper-style grind, or a second sweeper/threat from the owned mythics (e.g., Sphinx of Forgotten Lore, Overlord of the Floodpits) would tighten the late game. As-built and well-piloted, though, it’s a strong, resilient ladder deck that punishes durdling and grinds fair decks into the dirt.
Cards
Decklist
Paste straight into MTG Arena (or Moxfield/Archidekt):
Deck
4 Floodpits Drowner
3 Kaito, Bane of Nightmares
2 Phantom Interference
2 Cecil, Dark Knight
2 Azure Beastbinder
2 Long Goodbye
1 Bitter Triumph
4 Enduring Curiosity
2 Shoot the Sheriff
1 Tishana's Tidebinder
4 Spyglass Siren
1 Strategic Betrayal
3 Preacher of the Schism
1 Darkstar Augur
1 Phyrexian Arena
1 Massacre Wurm
4 Watery Grave
4 Gloomlake Verge
3 Soulstone Sanctuary
2 Restless Reef
1 Undercity Sewers
3 Island
4 Swamp
4 Starting Town
1 Stab
Card images & data via Scryfall.