Free STUFF

[All-Mana Mania]

What is the artfact and creature that lets you play a creature card without paying its mana cost

[Wackaman9001]

{Elvish piper} {quicksilver amulet}

[Coffee Vampire]

{Æther Vial}, to an extent.

[Wally]

Try using the filters in the card search database.

{Elvish Piper}
{Quicksilver Amulet}

[Birdbrain]

{braids conjurer adept}?

[Mlerner12]

 {Omniscience} if you want more than just A CREATURE.

[Wackaman9001]

{Kaalia of the vast} works too