Bolas's Citadel [War of the Spark]Set: War of the Spark Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

If you like the idea of keeping things on lockdown

Set: Box Topper Type: Psychic Rarity: Promo Retreat cost: Colorless

and up to one without

Pyromaster deals 1 damage to target player or planeswalker and 1 damage to up to one target creature that player or that planeswalker's controller controls

• The next time target land would be destroyed this turn

pay {2}{B}

Set: Lorwyn Type: Sorcery Rarity: Rare Cost: {B} Target player reveals their hand

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Set: Skyridge Type: Water Rarity: Common Retreat cost: Colorless

Her Phyrexian credo of "Waste not

Set: Alpha Edition Type: Creature — Shade Rarity: Common Cost: {2}{B} {B}: Frozen Shade gets +1/+1 until end of turn

Set: Avacyn Restored Type: Enchantment Rarity: Rare Cost: {4}{B} Whenever an opponent loses life