An activated mana ability is one that produces mana as it resolves, not one that costs mana to activate
Open up this Archazia's Island single-player starter deck and you have everything you need to begin playing Disney Lorcana Trading Card Game by Ravensburger
Jace, the Mind Sculptor is even harder to rule out as he does draw three right away, just after the return you are still one for one.While it might seem like an odd set of stipulations to determine what qualifies for this list of card draw spells it makes good sense from an analytical perspective
For example, if Giant Growth had given one of them +3/+3 earlier in the turn, then Nanogene Conversion made it a copy of Bear Cub, it will be a 5/5 Bear Cub
Furthermore, Halana and Alena give future creatures you play haste on top of the counters
And what can she even effectively remove on turn 4, when she is able to challenge, with just 2 Strength