Playing any of these as our first spell for turn means whatever we actually end up casting will be our second spell, so these effectively say cast something for free, twice
Enchantment Color tag templates(None) Bottomless Pit At the beginning of each player's upkeep, that player discards a card at random
This will cause any other white Auras attached to that creature to be put into their owner's graveyard, but Flickering Ward will remain on the battlefield.
Meanwhile, if possible, it's usually best to try to cast Tainted Indulgence and Thirst for Discovery during our opponent's turn since either one will draw us at least two cards, triggering all of our payoffs
Insertion fees add up quickly, especially when combined with final value fees (which can reach 15% in some categories)
The ability that triggers on exerting it will resolve before blockers are declared