Cheapest priced copy (March of the Machine: The Aftermath): $0.49 at Card Kingdom, near mint, their price list as of .
Tazri, Stalwart Survivor 
Legendary Creature — Human Warrior · 3/3 · Rare · March of the Machine: The Aftermath · #154
Each creature you control has "{T}: Add one mana of any of this creature's colors. Spend this mana only to activate an ability of a creature. Activate only if this creature has another activated ability."
{W}{U}{B}{R}{G}, {T}: Mill five cards. Put all creature cards with activated abilities that aren't mana abilities from among the milled cards into your hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine: The Aftermath | 6 | Rare | $0.49 | $0.49 |
| March of the Machine: The Aftermath | 56 | Rare | $0.59 | $0.49 |
| March of the Machine: The Aftermath | 106 | Rare | — | — |
| March of the Machine: The Aftermath | 154 | Rare | $0.49 | $0.49 |
| March of the Machine: The Aftermath | 190 | Rare | — | $2.99 |
| March of the Machine: The Aftermath Promos | 6p | Rare | $0.49 | $2.99 |
2 rulings from Wizards of the Coast
- 12 May 2023The other activated ability the creature must have can be any activated ability, including one that can't be activated at the moment, or even one that can't be activated while the creature is on the battlefield. For example, you could tap a creature with cycling and Tazri's ability for mana.
- 12 May 2023The mana produced by the ability granted by Tazri's first ability may be spent only to activate an ability of a creature on the battlefield. It can't be spent to activate abilities of creature cards in other zones.