I dont personally like competitive EDH so I cant say for certain if the Prosper-led deck Ive got for you today could compete against the higher-end competitive decks
It doesn't trigger if you put Bringer of the Last Gift onto the battlefield without casting it
In my opinion, it is a strong choice in the current meta, as it has fantastic matchups against 3 out of the top 5 decks and then plays about even with the other two
But in a black faerie/rogue deck, this card can make a huge difference very early on, bolstering up your creatures while also adding early game draw power
Bloodthirsty Conqueror, while being a great card in its own right (a 5/5 flyer with deathtouch is a beating), can also be found in combo decks with Sanguine Bond (Commander) or Enduring Tenacity (Standard)
Though drawn to battle, upon realizing he cannot win, Gilgamesh flees with no more than a pointed barb