Phasing out doesn't cause permanents to leave or re-enter the battlefield, so no "leaves the battlefield" or "enters the battlefield" abilities will trigger
both Forced Adaptation and Hydra's Growth are super risky/unideal cards to run as your opponent only has to use one killspell to remove both the creature & enchantment (costing you 2 cards for their 1)
Saurons Trigger Lets take a look at what happens when you cast Sauron: So even if Sauron gets countered or killed immediately, you get an Orc Army with five +1/+1 counters on it (or five additional counters on your existing Orc Army), and youll get to reanimate a creature from the graveyard
Just set up an account, verify some info, and start selling
Another great aspect to this is adding amass to any of your instants
However, cards worth more than $0.25 are usually listed at $0.10-0.15 or higher