Plains

Day of Judgment

Time Warp

Target player takes an extra turn after this one.

Claim the Firstborn

Gain control of target creature with mana value 3 or less until end of turn. Untap that creature. It gains haste until end of turn.

Approach of the Second Sun

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

Krosan Grip

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Destroy target artifact or enchantment.

Lightning Helix

Lightning Helix deals 3 damage to any target and you gain 3 life.

Counterspell

Doom Blade

Electrolyze

Electrolyze deals 2 damage divided as you choose among one or two targets.
Draw a card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Regrowth

Return target card from your graveyard to your hand.

Growth Spiral

Draw a card. You may put a land card from your hand onto the battlefield.

Putrefy

Destroy target artifact or creature. It can't be regenerated.

Despark

Exile target permanent with mana value 4 or greater.