Sonic Screwdriver
Artifact{3}
{T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn.
Colour identity Colorless · Scry
In short
Sonic Screwdriver has 7 listed printings; the most valuable is the Secret Lair printing from SLD at US$44.85 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every Sonic Screwdriver printing
Secret Lair
Sonic Screwdriver
SLD · 803
TCGplayer market
US$44.85
Surge Foil
Sonic Screwdriver
WHO · 790
TCGplayer market
US$18.51
Surge Foil
Sonic Screwdriver
WHO · 789
TCGplayer market
US$17.35
Surge Foil
Sonic Screwdriver
WHO · 791
TCGplayer market
US$11.34
Sonic Screwdriver
WHO · 185
TCGplayer market
US$3.78
Sonic Screwdriver
WHO · 184
TCGplayer market
US$3.19
Sonic Screwdriver
WHO · 186
TCGplayer market
US$2.77