Thunderbreak Regent

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.

City of Traitors

If you play any land, sacrifice City of Traitors. {T}: Add two colorless mana to your mana pool.

Shaman of the Great Hunt

Haste Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on it. Ferocious — {2}{G/U}{G/U}: Draw a card for each creature you control with power 4 or greater.

Trinisphere

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Magus of the Moon

Nonbasic lands are Mountains.

Chandra, Pyromaster

+1: Chandra, Pyromaster deals 1 damage to target player and 1 damage to up to one target creature that player controls. That creature can't block this turn. 0: Exile the top card of your library. You may play it this turn. -7: Exile the top ten cards of your library. Choose an instant or sorcery card exiled this way and copy it three times. You may cast the copies without paying their mana costs.

Goblin Rabblemaster

Other Goblin creatures you control attack each turn if able. At the beginning of combat on your turn, put a 1/1 red Goblin creature token with haste onto the battlefield. Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Simian Spirit Guide

Remove Simian Spirit Guide in your hand from the game: Add {R} to your mana pool.

Chrome Mox

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors to your mana pool.

Blood Moon

All non-basic lands are now basic mountains.

Magma Jet

Magma Jet deals 2 damage to target creature or player. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Fiery Confluence

Ancient Tomb

Sin Prodder

Chandra, Torch of Defiance