Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Brimaz, King of Oreskos

Vigilance Whenever Brimaz, King of Oreskos attacks, put a 1/1 white Cat Soldier creature token with vigilance onto the battlefield attacking. Whenever Brimaz blocks a creature, put a 1/1 white Cat Soldier creature token with vigilance onto the battlefield blocking that creature.

Stony Silence

Activated abilities of artifacts can't be activated.

Thundermaw Hellkite

Flying Haste (This creature can attack and {T} as soon as it comes under your control.) When Thundermaw Hellkite enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.

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.

Combust

Combust can't be countered by spells or abilities. Combust deals 5 damage to target white or blue creature. The damage can't be prevented.

Kiki-Jiki, Mirror Breaker

Haste {T}: Put a token that's a copy of target nonlegendary creature you control onto the battlefield. That token has haste. Sacrifice it at the beginning of the next end step.

Simian Spirit Guide

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

Celestial Purge

Hero of Bladehold

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Hero of Bladehold attacks, put two 1/1 white Soldier creature tokens onto the battlefield tapped and attacking.

Restoration Angel

Flash Flying When Restoration Angel enters the battlefield, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

Rest in Peace

When Rest in Peace enters the battlefield, exile all cards from all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

Gideon Jura

+2: During target opponent's next turn, creatures that player controls attack Gideon Jura if able. -2: Destroy target tapped creature. 0: Until end of turn, Gideon Jura becomes a 6/6 Human Soldier creature that's still a planeswalker. Prevent all damage that would be dealt to him this turn.

Kitchen Finks

When Kitchen Finks comes into play, you gain 2 life. Persist (When this creature is put into a graveyard from play, if it had no -1/-1 counters on it, return it to play under its owner's control with a -1/-1 counter on it.)

Wall of Omens

Defender When Wall of Omens enters the battlefield, draw a card.

Lightning Helix

Lightning Helix deals 3 damage to target creature or player and you gain 3 life.

Boil

Destroy all islands.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Blood Moon

All non-basic lands are now basic mountains.

Marsh Flats

Sacred Foundry

Arid Mesa

Stasis Snare

Rugged Prairie

Aven Mindcensor

Temple of Triumph

Temple of Triumph enters the battlefield tapped. When Temple of Triumph enters the battlefield, scry 1. {T}: Add {R} or {W}.

Plains

({T}: Add {W}.)

Mountain

({T}: Add {R}.)