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Flash When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to ...

Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifa...

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

When Sophia, Dogged Detective enters the battlefield, create Tiny, a legendary 2/2 green Dog Detective creature token with trample. {1}, Sacrifice ...

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you co...

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player control...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Destroy all no...

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creatur...

Whenever a permanent you control is turned face up, you gain 1 life for each creature you control. {3}{W}: Manifest the top card of your library. (...

Morph {3}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Master of Pearls is...

Enchant creature Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Wheneve...

Vigilance When Loran of the Third Path enters the battlefield, destroy up to one target artifact or enchantment. {T}: You and target opponent each ...

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token. At the be...

Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that ca...

Lifelink Megamorph {2}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1...

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen pe...

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Destroy all creatures with power greater than target creature's power.