Five mana is a high price to pay when youre trying to cast lots of cheap spells quickly, but if you can ramp it out fast enough then Lier is a hugely powerful protection point for all your spells, as well as being a permanent Snapcaster Mage for your entire graveyard
Fur Hire I'm not sure if giving a tactical nuke to cute woodland creatures is a good idea but that's what it feels like we got from the new Fur Hire support cards
And once that big Vampire is on the field, you can start buffing it with +1/+1 counters, deathtouch, lifelink, or sacrifice it to deal that last three damage you need to win the game
Some mods add changes to the way certain things work either in-game or with features that come with it
Must be Special Summoned (from your hand) by shuffling 1 Spellcaster or Warrior Ritual Monster from your hand or GY into the Deck
Gilgamesh, Master-at-Arms