Training Grounds: Enchantment, March of the Machine: The Aftermath. Activated abilities of creatures you control cost 2 less to activate. On Mana Grove.
Mana cost
{U}
Mana value
1
Type
Enchantment
Colour identity
Blue (U)
Rarity
Rare
Set
March of the Machine: The Aftermath (MAT)
Released
2023-05-12
Collector number
9
Artist
A. M. Sartor
Commander rank
1,054 (by how often it appears in Commander decks)
Training Grounds is a Magic: The Gathering card, a rare blue enchantment from March of the Machine: The Aftermath (MAT), an expansion set released in May 2023. It is collector number 9 in that set, with art by A. M. Sartor. It costs {U} (one blue mana) to cast, for a mana value of 1. Its colour identity is blue. It is legal in Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, PreDH, Brawl, Historic, Timeless, Gladiator and Penny Dreadful. It has been printed in 7 sets, from Rise of the Eldrazi (2010) to Avatar: The Last Airbender Eternal (2025). The latest aggregated market price for this printing is $7.63 (normal finish, as of 2026-11-02).
Card text
Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
For those who survived, being prepared for the next crisis became one of the greatest virtues.
Market price
Latest aggregated market price for the normal finish of this printing: $7.63 (as of 2026-11-02).
The figure covers this printing only; other printings carry their own price on their own page.
Format legality
Legality of Training Grounds by format. Formats in which it is not legal are not listed.
Training Grounds has been printed in 7 sets. The other printings are listed newest first, with the rarity and release year of each.
Printing
Rarity
Year
Secret Lair Drop (SLD) #2619
Rare
2026
Avatar: The Last Airbender Eternal (TLE) #20
Mythic
2025
March of the Machine: The Aftermath Promos (PMAT) #9p
Rare
2024
March of the Machine: The Aftermath (MAT) #109
Rare
2023
March of the Machine: The Aftermath (MAT) #155
Rare
2023
March of the Machine: The Aftermath (MAT) #193
Rare
2023
March of the Machine: The Aftermath (MAT) #59
Rare
2023
Judge Gift Cards 2022 (P22) #6
Rare
2022
The List (PLST) #ROE-91
Rare
2020
Rise of the Eldrazi (ROE) #91
Rare
2010
Official rulings
The 8 most recent official rulings for Training Grounds, newest first.
If an activated ability of a creature you control costs no generic mana to activate (for example, if it costs {R}{R}, it costs {0}, or it costs only nonmana actions such as {T} or "Sacrifice a creature"), Training Grounds simply won't affect it. In particular, it won't increase the cost to include a mana payment of {1}.
Training Grounds takes the total cost to activate a creature's activated ability into account, not just the cost printed on it. For example, Urabrask has an activated ability that costs {R}, and Suppression Field says "Activated abilities cost {2} more to activate unless they're mana abilities." Since activating Urabrask's activated ability would now cost {2}{R}, Training Grounds reduces that cost back to {R}.
Training Grounds can reduce the part of an activation cost represented by generic mana symbols down to nothing, as long as it still costs at least one mana. For example, if an activation cost is {2}{G}, you'd have to pay only {G}. If an activation cost is {2}, though, you'd still have to pay {1}.
Training Grounds reduces the generic mana in waterbend costs for activated abilities. It will not reduce waterbend costs that are additional costs for casting spells.
Training Grounds won't affect the part of an activation cost represented by colored mana symbols or snow mana symbols. It also won't affect nonmana parts of an activation cost, if there are any.
Training Grounds affects only creatures you control on the battlefield. The costs of activated abilities that work in other zones (such as cycling or unearth) won't be reduced.
Training Grounds can reduce the amount you pay for a creature's activated ability cost that includes {X}. For example, Drana, Kalastria Bloodchief has an activated ability that costs {X}{B}{B}. If you control Training Grounds and you activate the ability with X equal to 5, you'll have to pay only {3}{B}{B}. This is true even if the ability states that {X} must be paid with a certain color of mana, as Crimson Hellkite's ability does.
Training Grounds won't affect a cost that isn't the cost to activate a creature's activated ability. For example, it won't affect Flameblast Dragon's {X}{R} cost, since that's a cost paid when a triggered ability resolves, and it won't affect a kicker cost, since that's an additional cost to cast a spell. Activated ability costs appear before a colon (:) in a card's rules text, or, in the case of some keywords, before a colon in reminder text.
Similar cards
Other enchantment cards with a blue colour identity, ranked by how often they appear in Commander decks.