Warning

Prevent all combat damage that would be dealt by target attacking creature this turn.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Krovikan Sorcerer

, Discard a nonblack card: Draw a card.
, Discard a black card: Draw two cards, then discard one of them.

Hollow Trees

Hollow Trees enters the battlefield tapped.
You may choose not to untap Hollow Trees during your untap step.
At the beginning of your upkeep, if Hollow Trees is tapped, put a storage counter on it.
, Remove any number of storage counters from Hollow Trees: Add for each storage counter removed this way.

Bottomless Vault

Bottomless Vault enters the battlefield tapped.
You may choose not to untap Bottomless Vault during your untap step.
At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it.
, Remove any number of storage counters from Bottomless Vault: Add for each storage counter removed this way.

Sand Silos

Sand Silos enters the battlefield tapped.
You may choose not to untap Sand Silos during your untap step.
At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it.
, Remove any number of storage counters from Sand Silos: Add for each storage counter removed this way.

Icatian Store

Icatian Store enters the battlefield tapped.
You may choose not to untap Icatian Store during your untap step.
At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it.
, Remove any number of storage counters from Icatian Store: Add for each storage counter removed this way.

Dwarven Hold

Dwarven Hold enters the battlefield tapped.
You may choose not to untap Dwarven Hold during your untap step.
At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it.
, Remove any number of storage counters from Dwarven Hold: Add for each storage counter removed this way.