Scion of Opulence

Whenever Scion of Opulence or another nontoken Vampire you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{R}, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.

Magic Online Promos

Foundations Jumpstart

Crimson Vow Commander

Whenever Scion of Opulence or another nontoken Vampire you control dies, create a Treasure token.
{R}, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.

Playing a card this way follows all the normal timing rules for that card. For example, if you play a land this way, you may do so only during your main phase while the stack is empty and only if you haven't yet played a land (unless another effect allows you to play additional lands).