Notably, some of these cards are also quite strong, especially in a Commander setting
Similar to Birthing Pod from the past, you can use it to enable a combo, but it can also just act as a card advantage engine and/or influence the board state via the -1/-1 counters
Obviously with this being Magic there is rarely a short answer
While this new version loses the ability to attach at instant speed, it now comes with a pre-attached body, which, while Im not going to say is a better trade-off, will come in handy often
This is where the app begins to lose its appeal
2023-05-12 If an activated ability of a creature you control costs no generic mana to activate (for example, if it costs , it costs , or it costs only nonmana actions such as or "Sacrifice a creature"), Training Grounds simply won't affect it