Chimil, the Inner Sun costs six for a double effect
Most often played in Commander, the Phyrexian also sees play in the Pioneer format
Aside from that, one digs through the top of your library for shrines, while the other reanimates them
If it is potentially ambiguous what card it represents, is one of those cards illegal for the format, or clearly wouldn't be played in the deck
In conjunction with Naban, Dean of Iteration, it can be incredibly powerful by stealing the opponent's two best creatures, although something like a Lightning Bolt, Path to Exile, or Fatal Push undoes all of our work by giving the creatures back
For a while a blue version of this deck using Stock Up became popular, but red or Rakdos is the more traditional option, with Goblin Engineer and Welder giving the deck more consistency, and Pyroblast becoming a one mana counterspell once Painter's Servant is on the field