mtg cards like elixir of immortality handpaint Shuffle Elixir of Immortality and your graveyard into your library. MTGNexus - Elixir of Immortality

Muldrotha decks generally play a midrange-y game plan trying to fill your deck with a balance of different permanent types to get the most out of its effect

While Venerated Rotpriest obviously synergizes with the spells you cast, even in the worst case, its a guaranteed Poison Counter

Like everything else on a cards type line, supertypes act as markers that can be referenced by other card effects (e.g., Target legendary permanent)

Thankfully pirates often come with built-in evasion to help push past blockers, and the lord effect certainly helps

(I built around them here with some planeswalker buddies) Then the five-drop one digs seven, draws them all and then taps for no mana at sorcery speed to lock or unlock a Room