It'll usually buy you a turn from attacks and interaction, but discarding a card and skipping your draw step each turn is a steep cost to keep it around
For example, Tekuthal, Inquiry Dominus mentions proliferate, but isnt a proliferate card for the purposes of this list
How Many Black Lotus Magic Cards Remain
Prioritize ramp that costs 1 to 2 mana if your pod is even slightly fast
Even the jank pickslike Iroh, Tea Master or the legendary Walls of Ba Sing Sebring something fun, thematic, and genuinely unique to the table
This is because regardless of if you're tapped out, Ashnod's Altar can provide you with extra mana you may need to cast additional key spells when needed at the cost of your other creatures