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Uthros PsionicistHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Edge of Eternities· August 1, 2025
Carte Magic Uthros Psionicist

Uthros Psionicist is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

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Official card text

The second spell you cast each turn costs {2} less to cast.

Complete guide

Dive into the depths of efficiency with Uthros Psionicist, a Jellyfish Scientist that rewards strategic sequencing. By planning your turn carefully, you can harness its mental prowess to deploy powerful spells for a fraction of their usual mana cost. Understanding how to track your spell count is the key to unlocking its full potential.

A Mind for Savings

Uthros Psionicist provides a static ability that reduces the cost of the second spell you cast each turn by {2}. This reduction applies to any spell type, whether it is a creature, artifact, or instant. To determine the final cost, you start with the mana cost or an alternative cost, add any increases, and then apply this {2} reduction. Note that the mana value of the spell remains the same regardless of how much you actually pay.

Tracking Your Spells

The game tracks every spell you cast during a turn, regardless of whether those spells resolved, were countered, or are still waiting on the stack. If Uthros Psionicist was the very first spell you cast in a turn, its ability will immediately recognize the next spell you cast as your second one, granting the discount. If you cast a different spell earlier in the turn before Uthros entered the battlefield, your next spell will still be considered the second and receive the reduction.

Strategic Sequencing

A common mistake is forgetting that the reduction is mandatory for the second spell. You cannot 'save' the discount for a third or fourth spell later in the turn. To maximize Uthros Psionicist, you should try to cast a low-cost 'cantrip' or utility spell first, followed by a high-impact spell with a generic mana requirement of at least {2} to ensure you get the full value of the discount.

Interaction examples

The Golem Discount

If Uthros Psionicist is already on the battlefield and you cast a cheap 1-mana spell, the next spell you cast is your second. If you then cast Solemn Simulacrum, the {4} mana cost is reduced by {2}, allowing you to play the Golem for only {2} mana while still getting its land-searching trigger.

Double Golem Efficiency

Imagine you cast Uthros Psionicist as your first spell of the turn for {2}{U}. Because Uthros is now on the battlefield, the very next spell you cast is your second spell. You can then cast Roaming Throne for only {2} mana instead of its usual {4}. If you choose 'Jellyfish' for the Throne, you'll be set up for even more triggers in future turns.

Chain Casting Uthros

If you have two copies of Uthros Psionicist in hand, casting the first one counts as spell number one. The second copy of Uthros Psionicist will then cost only {U} because it is the second spell of the turn. Once both are on the battlefield, they will each apply to the second spell of future turns, potentially reducing a spell's cost by a total of {4}!

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Uthros Psionicist

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    To determine the total cost of a spell, start with the mana cost or alternative cost you’re paying, add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    Uthros Psionicist’s ability will count any spells you’ve cast this turn, which may include Uthros Psionicist itself. It doesn’t matter if the other spells resolved, didn’t resolve, were countered, or are still on the stack. If Uthros Psionicist was the first spell you cast this turn, the next spell you cast this turn is your second spell.

    No other card is named in this ruling.

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Legal formats

standardfuturehistorictimelessgladiatorpioneermodernlegacyvintagecommanderoathbreakerstandardbrawlbrawlcompetitivebrawlalchemydueltlr
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