Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Counter target spell.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Enchant player
Whenever a creature attacks enchanted player, put a +1/+1 counter on it.

Destroy two target nonblack creatures. You lose 5 life.

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, choose one —
• Untap target permanent you control.
• Tap target permanent an opponent controls.

Flying
Pay 1 life: Regenerate this creature.

Changeling (This card is every creature type.)
As this creature enters, choose a creature type.
Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever you activate an ability of a Sarkhan planeswalker, this creature deals 1 damage to any target.

When this creature enters, sacrifice a creature.
: Regenerate this creature.

When this creature enters, it deals 2 damage to target creature.

Sacrifice a creature. Rupture deals damage equal to that creature's power to each creature without flying and each player.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Flame Spill deals 4 damage to target creature. Excess damage is dealt to that creature's controller instead.

Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.

Each player can't cast more than one spell each turn.

Lightning Storm deals X damage to any target, where X is 3 plus the number of charge counters on Lightning Storm.
Discard a land card: Put two charge counters on Lightning Storm. You may choose a new target for it. Any player may activate this ability but only if Lightning Storm is on the stack.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

When this creature enters, exile target creature an opponent controls until this creature leaves the battlefield.

Flying
Whenever this creature deals combat damage to a player, that player discards a card.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Artifact spells you cast cost less to cast.

Equipped creature has ", : This creature gets +2/+2 until end of turn." ( is the untap symbol.)
Equip

Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token.

Double strike (This creature deals both first-strike and regular combat damage.)

, , Sacrifice a creature: Draw a card.

When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
: Add one mana of any color.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a Treasure token.
III — Search your library for a card named Halvar, God of Battle or an Equipment card, reveal it, put it into your hand, then shuffle.

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

When this Equipment enters, you may pay . If you do, create a 2/1 red Dwarf Berserker creature token, then attach this Equipment to it.
Equipped creature gets +3/+0 and has trample.
Equip

All Slivers have ", Sacrifice this permanent: Destroy target permanent."

At the beginning of each end step, if you've cast both a creature spell and a noncreature spell this turn, create a Clue token, a Food token, and a Treasure token.

Counter target spell unless its controller pays .
Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may counter target spell unless its controller pays .

Landfall — Whenever a land you control enters, create a colorless Equipment artifact token named Rock with "Equipped creature has ', , Sacrifice Rock: This creature deals 2 damage to any target'" and equip .
Partner (You can have two commanders if both have partner.)

Flying
Noncreature spells cost more to cast.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

Reach
Whenever this creature deals combat damage to a creature, put a -1/-1 counter on that creature.
Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.