Whenever you cast a Spirit or Arcane spell, each other creature you control gets +1/+1 and gains trample until end of turn.

{T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash.

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

{T}: Add {C}. {T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

This land enters tapped. {T}: Add {G} or {U}. {4}, {T}: Scry 1.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

You have no maximum hand size. {T}: Add {C}.

({T}: Add {G} or {U}.) This land enters tapped.

{T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Whenever you cast a Spirit or Arcane spell, you may put a land card from your hand onto the battlefield tapped.

Flash Flying Whenever this creature or another Spirit you control enters, tap target creature an opponent controls.

Flying Whenever you cast a Spirit or Arcane spell, you may draw a card.

Create a token that's a copy of target creature you control. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."

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

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When this creature enters, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}.

When this creature enters, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Flying {T}: Add one mana of any color.

Whenever this creature becomes untapped, you may pay {2}. If you do, draw a card. Whenever an opponent casts a spell from anywhere other than their hand, draw a card. Discard a card: This creature can't be blocked this turn.

This spell can't be countered. At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one — • Tap target permanent. Its activated abilities can't be activated this turn. • Koma gains indestructible until end of turn.

Changeling (This card is every creature type.) You may have Moritte enter as a copy of a permanent you control, except it's legendary and snow in addition to its other types and, if it's a creature, it enters with two additional +1/+1 counters on it and has changeling.

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

Flying {T}: Add one mana of any color.

Flying Other Spirits you control get +1/+1. Spells you cast from your graveyard cost {1} less to cast.

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying This creature can block only creatures with flying. Tap two untapped Spirits you control: Tap target creature you don't control.

Flash Flying When this creature enters, you may pay {1}{U} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many other target artifacts, creatures, and/or enchantments phase out.

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

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

{1}{G}, Sacrifice this creature: Return target Arcane card from your graveyard to your hand.

Reveal the top three cards of your library. An opponent chooses one of them. Put that card into your graveyard and the rest into your hand.

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Whenever you cast a creature spell, you may draw a card.

Draw a card.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Draw a card for each Spirit you control.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Return target creature to its owner's hand. Splice onto Arcane {3}{U} (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.)

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Return all creatures to their owners' hands.

Return target permanent to its owner's hand.

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand. Draw a card.

Counter target spell.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

Permanents you control gain hexproof and indestructible until end of turn.

Target creature gets +2/+2 until end of turn. Splice onto Arcane {G} (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.)

You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Target creature gets +4/+4 until end of turn. If it's a Spirit, it gains trample until end of turn.

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog. Flashback {3}{G}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)