Celestial Flare | Instant | | Target player sacrifices an attacking or blocking creature. | Clint Cearley
Show of Valor | Instant | | Target creature gets +2/+4 until end of turn. | Anthony Palumbo
Disperse | Instant | | Return target nonland permanent to its owner's hand. | Steve Ellis
Essence Scatter | Instant | | Counter target creature spell. | Jon Foster
Negate | Instant | | Counter target noncreature spell. | Jeremy Jarvis
Altar's Reap | Instant | | As an additional cost to cast this spell, sacrifice a creature.
Draw two cards. | Donato Giancola
Doom Blade | Instant | | Destroy target nonblack creature. | Chippy
Thunder Strike | Instant | | Target creature gets +2/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.) | Wayne Reynolds
Volcanic Geyser | Instant | | Volcanic Geyser deals X damage to any target. | Clint Cearley
Naturalize | Instant | | Destroy target artifact or enchantment. | Tim Hildebrandt
Plummet | Instant | | Destroy target creature with flying. | Pete Venters