Ethereal Usher

Creature - Spirit 2/3, 5U (6)
{U}, {T}: Target creature is unblockable this turn.
Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same converted mana cost as this card, reveal it, and put it into your hand. Then shuffle your library. Play only as a sorcery.)¹
Illus. Mark A. Nelson

Crystal Keep Rulings Summaries

• Note - Also see Transmute, Rule 502.48.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Ravnica: City of Guilds (Uncommon)