
Spell Rupture | Instant | | Counter target spell unless its controller pays {X}, where X is the greatest power among creatures you control. | Kev Walker

Dimir Charm | Instant | | Choose one —
• Counter target sorcery spell.
• Destroy target creature with power 2 or less.
• Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard. | Zoltan Boros

Hydroform | Instant | | Target land becomes a 3/3 Elemental creature with flying until end of turn. It's still a land. | Howard Lyon

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