Célibataires MTG

{T}: Add {B} or {R}. {B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature. Whenever Izzet Keyrune deals ...

Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where ...

{T}: Add {B} or {G}. {B}{G}: Golgari Keyrune becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.

{T}: Target player puts the top card of their library into their graveyard. {5}, {T}, Sacrifice Codex Shredder: Return target card from your gravey...

Equipped creature gets +1/+0 for each of its colors. Equip {1}

{T}: Add {W} or {U}. {W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

Scavenge {0} ({0}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only...

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

If an instant or sorcery card would be put into a graveyard from anywhere, exile it instead.

Whenever you cast an instant or sorcery spell, Blistercoil Weird gets +1/+1 until end of turn. Untap it.

{4}{G}{W}: Create a 3/3 green Centaur creature token. {2}{G}{W}: Populate. (Create a token that's a copy of a creature token you control.)

Return target card from your graveyard to your hand. Exile Treasured Find.

Draw four cards, then discard two cards.

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn. Overload {3}{U}{R} (You may cast this spell for its overlo...

Enchant land When Security Blockade enters the battlefield, create a 2/2 white Knight creature token with vigilance. Enchanted land has "{T}: Preve...

Flying Whenever Skymark Roc attacks, you may return target creature defending player controls with toughness 2 or less to its owner's hand.

Choose one — • Target creature gets +2/+2 and gains trample until end of turn. • Exile target creature with power 5 or greater. • Create a 2/2 whit...

{B}{R}: Target blocking creature gets -1/-1 until end of turn. {B}{R}: Target player who lost life this turn loses 1 life.

Vigilance

First strike Whenever Rakdos Ringleader deals combat damage to a player, that player discards a card at random. {B}: Regenerate Rakdos Ringleader.

Lifelink, haste

Choose one — • Exile all cards from target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

{1}{U}{R}: Draw a card, then discard a card. {2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.