Ichor Elixir The last card is Ichor Elixir, but Ive covered that twice now
Because Manifold Key untaps every turn, this is repeatable, letting you take infinite turns
Comparing to Get Lost, one mana is a huge difference
Ramp early and survive until you can cast or cheat in The Ur-Dragon
Deck costs will obviously scale as you add more colors, due to the price of A/B/U/R Dual Lands, but in a singleton format you can sometimes get away with simply not running one if you're just starting out, slashing down the cost of many two-color decks like Spider-Man 2099 substantially
Talismans Talisman of Conviction Talisman of Creativity Talisman of Curiosity Talisman of Dominance Talisman of Hierarchy Talisman of Impulse Talisman of Indulgence Talisman of Progress Talisman of Resilience Talisman of Unity Talismans are among the best 2-drop mana rocks you can play in EDH, especially because they dont enter tapped