Consider the Prime Directive [Star Trek]

Description

Set:	Star Trek
Type:	Instant
Rarity:	Common
Cost:	{2}{U}

Choose one —
• Interfere — Counter target spell unless its controller pays {3}.
• Observe — Tap up to one target creature and put a stun counter on it. Draw a card. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Prices

Non Foil Prices

Near Mint - $1.10 CAD
Slightly Played - $1.00 CAD
Moderately Played - $0.70 CAD
Heavily Played - $0.60 CAD
Damaged - $0.50 CAD

Foil Prices

Near Mint Foil - $0.70 CAD
Slightly Played Foil - $0.60 CAD
Moderately Played Foil - $0.40 CAD
Heavily Played Foil - $0.40 CAD
Damaged Foil - $0.30 CAD