As an additional cost to cast this spell, discard a red or green card.Target creature gains trample and gets +X/+0 until end of turn, where X is that creature's mana value.
As an additional cost to cast this spell, you may pay .Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.
FlyingWhenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)
: Regenerate Spiny Starfish.At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.
Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell.Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn.Draw a card at the beginning of the next turn's upkeep.
, Sacrifice Scarab of the Unseen: Return all Auras attached to target permanent you own to their owners' hands. Draw a card at the beginning of the next turn's upkeep.
As an additional cost to cast this spell, you may pay and/or any number of times.Destroy target artifact. For each additional you paid, destroy another target artifact. For each additional you paid, destroy another target artifact, and you gain 1 life.