You then need to wait for your turn again to draw your 10th and then you cant play a card if you want to keep your 10/10
Its also absolutely not worth noting that you can have Machine Gods Effigy come into play as a copy of Grand Architect and use the mana ability to turn it back into a blue creature for no reason whatsoever (edit: this doesnt actually work, sorry but it should ) At least this one doesnt go infinite with Devoted Druid, right
In the mid to late game, opponents will try to remove your creature, so wait until you have a Blossoming Defense or similar card in hand to get blowout card advantage
Contents: 14Magic: The Gatheringcards
After all, "punisher"-style effects that give your opponent a choice are usually underwhelming, as savvy opponents will always select the lesser of two evils
//// Prowl, Pursuit Vehicle Color indicator: white Legendary Artifact Vehicle 2/3 Living metal (As long as it's your turn, this Vehicle is also a creature.) Whenever another creature or Vehicle enters the battlefield under your control, put a +1/+1 counter on Prowl