+2: During target player's next turn, each creature that player controls attacks if able. −2: Rowan Kenrith deals 3 damage to each tapped creature target player controls. −8: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy." Partner with Will Kenrith Rowan Kenrith can be your commander.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add one mana of any color in your commander's color identity.

{X}, {T}: Target creature gets -X/+X until end of turn.

Creatures attacking you get -1/-0. At the beginning of each end step, if you were dealt 4 or more damage this turn, exile this artifact.

Creatures your opponents control get -1/-0.

This artifact enters tapped. {T}: Add {R}.

{1}, {T}: Add {U}{R}.

This artifact enters tapped. {T}: Add {U}.

Return target instant or sorcery card from your graveyard to your hand.

All creatures get +X/-X until end of turn.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this token."

Return target instant or sorcery card from your graveyard to your hand. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{U}: Exile this creature. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: This creature can't be blocked this turn. {1}: This creature gets +1/-1 until end of turn. {1}: This creature gets -1/+1 until end of turn.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) {R}: This creature gets +1/-1 until end of turn.

{U/R}: Switch this creature's power and toughness until end of turn.

Flash Flying When this creature enters, switch target creature's power and toughness until end of turn.

Flash When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

{T}: Switch target creature's power and toughness until end of turn.

Trample {R}: This creature gets +1/-1 until end of turn.

Flying Whenever you cast an instant or sorcery spell, you may switch this creature's power and toughness until end of turn.

{U/R}: This creature gets +1/-1 until end of turn.

Instant and sorcery spells you cast cost {1} less to cast.

{1}{R}: Switch each creature's power and toughness until end of turn.

Play with the top card of your library revealed. You may cast instant and sorcery spells from the top of your library. Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Defender When this creature enters, you may return target instant or sorcery card from your graveyard to your hand.

Flash (You may cast this spell any time you could cast an instant.) Defender (This creature can't attack.) When this creature enters, target attacking creature gets -4/-0 until end of turn.

Flying {2}, Return a land you control to its owner's hand: Target creature gets -X/-0 until end of turn, where X is the number of cards in your hand.

{U}: This creature gets +1/-1 until end of turn.

Whenever this creature blocks or becomes blocked by a creature, change this creature's base power and toughness to that creature's power and toughness until end of turn.

{U}: Exile this creature, then return it to the battlefield face down under its owner's control. {1}: This creature gets +1/-1 or -1/+1 until end of turn. Megamorph {4}{U} (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/+1 counter on it.)

Flying {U/R}: This creature gets +1/-1 until end of turn.

{R}: Untap this creature. {R}: Target creature blocks this creature this turn if able. {R}: Change the target of target spell that targets only this creature. {1}: This creature gets +1/-1 until end of turn. {1}: This creature gets -1/+1 until end of turn.

Whenever this creature attacks, switch its power and toughness until end of turn.

{U}: This creature gets +1/-1 until end of turn. {U}: This creature gets -1/+1 until end of turn.

Enchant creature Enchanted creature gets -5/-0. {2}{U}: Return this Aura to its owner's hand.

Instant and sorcery spells cost {2} less to cast.

Enchant creature {R}: Enchanted creature gets +1/-1 until end of turn.

Creatures with flying get +2/+0. Creatures without flying get -2/-0.

Enchant creature Enchanted creature gets -0/-1. Enchanted creature can't block creatures with power equal to or greater than the enchanted creature's toughness.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1.

All creatures get -X/-0, where X is the number of cards in your hand.

Switch target creature's power and toughness until end of turn.

Target creature gets -3/-0 until end of turn. Draw a card.

Creatures your opponents control get -4/-0 until end of turn. Draw a card.

Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able. Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Target creature you don't control gets -4/-0 until end of turn. Overload {2}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Changeling (This card is every creature type.) Creatures target player controls get -2/-0 and lose all creature types until end of turn.

Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order.

Attacking creatures get -2/-0 until end of turn. Draw a card.

Creatures your opponents control get -4/-0 until end of turn.

Switch target creature's power and toughness until end of turn. Draw a card.

Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell. Draw a card.

Target creature gets +4/+0 until end of turn. Another target creature gets -4/-0 until end of turn.

Switch target creature's power and toughness until end of turn. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

Creatures your opponents control get -2/-0 until end of turn.

Switch target creature's power and toughness until end of turn. Draw a card.