Test of Endurance 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.
Official card text
At the beginning of your upkeep, if you have 50 or more life, you win the game.
Complete guide
Test of Endurance is a classic win-condition enchantment that rewards players for maintaining an exceptionally high life total. Instead of grinding your opponent's health to zero, you focus on fortifying your own position to reach the golden number of 50. It transforms the game into a defensive race where your life total becomes the ultimate clock.
The Upkeep Check
Test of Endurance features what is known as an 'intervening if' clause. This means the ability checks your life total at two distinct moments: exactly when your upkeep step begins and again when the ability tries to resolve. If you have 49 life as your upkeep starts, the ability does not trigger at all, even if you have a way to gain life before your draw step.
Navigating the Stack
Once the ability triggers, it goes on the stack and players can respond. However, the 50-life requirement must still be met when the ability resolves. If an opponent casts a spell to deal damage to you in response, lowering your life to 49 or less, the ability will check your life total again, see that the condition is no longer met, and do nothing.
Strategic Timing
Because this card relies on your life total at the start of your turn, you must ensure your defenses are set during your opponents' turns. You cannot simply play this card and win immediately; it must survive a full rotation of the table while you stay above the 50-life threshold.
Interaction examples
Ghostly PrisonWith Ghostly Prison on the battlefield, your opponents must pay 2 mana for every creature they want to send your way. This protection is vital because it prevents chip damage from small creatures that would otherwise knock you below the 50-life requirement needed for Test of Endurance to trigger during your next upkeep.
Smothering TitheWhile Smothering Tithe provides mana through Treasure tokens, it creates a 'tax' environment that forces opponents to choose between their mana and your acceleration. By using the extra mana from Treasures to cast life-gain spells or additional defensive enchantments, you can more reliably reach and stay at the 50-life mark required for the win.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Test of Endurance
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Test of Endurance’s ability will check your life total as your upkeep begins, before any player has the opportunity to take any actions. If you don’t have 50 or more life at that time, the ability won’t trigger at all. If the ability does trigger, it will check again as it tries to resolve. If your life total has fallen below 50 at that point, the ability won’t have any effect.
No other card is named in this ruling.
Legal formats
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Meta decks with Test of Endurance
No archived Top 8 deck with this card yet.