Burst of Strength | Instant | | Put a +1/+1 counter on target creature and untap it. | Marco Nelor
Hindervines | Instant | | Prevent all combat damage that would be dealt this turn by creatures with no +1/+1 counters on them. | Svetlin Velinov
Naturalize | Instant | | Destroy target artifact or enchantment. | Daniel Ljunggren
Predator's Rapport | Instant | | Choose target creature you control. You gain life equal to that creature's power plus its toughness. | Matt Stewart
Tower Defense | Instant | | Creatures you control get +0/+5 and gain reach until end of turn. | Seb McKinnon
Wildwood Rebirth | Instant | | Return target creature card from your graveyard to your hand. | Dan Scott
Hydroform | Instant | | Target land becomes a 3/3 Elemental creature with flying until end of turn. It's still a land. | Howard Lyon
Mystic Genesis | Instant | | Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value. | Mike Bierek
Simic Charm | Instant | | Choose one —
• Target creature gets +3/+3 until end of turn.
• Permanents you control gain hexproof until end of turn.
• Return target creature to its owner's hand. | Zoltan Boros
Biomass Mutation | Instant | | Creatures you control have base power and toughness X/X until end of turn. | Dan Scott
Bioshift | Instant | | Move any number of +1/+1 counters from target creature onto another target creature with the same controller. | Scott Chou
Gruul Charm | Instant | | Choose one —
• Creatures without flying can't block this turn.
• Gain control of all permanents you own.
• Gruul Charm deals 3 damage to each creature with flying. | Zoltan Boros
Signal the Clans | Instant | | Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library. | Dave Kendall
Pit Fight | Instant | | Target creature you control fights another target creature. (Each deals damage equal to its power to the other.) | Matt Stewart