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Creature — Horror

Whenever this creature enters or attacks, put a slime counter on up to one other target creature. Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Legendary Creature — Human Rebel Ally

First strike Other creatures you control have haste. Whenever Smellerbee attacks, you may discard your hand. If you do, draw cards equal to the number of attacking creatures.

Sorcery

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Target creature you control fights up to one target creature you don't control.

Enchantment

At the beginning of your upkeep, return up to two target creature cards with power 2 or less from your graveyard to the battlefield. Put a +1/+1 counter on each of those creatures.

Instant

Smite the Deathless deals 3 damage to target creature. That creature loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Artifact

Flash All creatures have shroud. (They can't be the targets of spells or abilities.) At the beginning of your upkeep, sacrifice this artifact. When you do, target creature you control can't be blocked this turn.

Creature — Elemental Shaman

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

Land — Swamp Mountain

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

Instant

Destroy target creature with mana value 3 or less. It can't be regenerated.

Enchantment

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Instant

Spree (Choose one or more additional costs.) + {2} — Mill four cards. You may put up to two creature and/or land cards from among the milled cards into your hand. + {4}{G} — You may put up to two creature cards from your hand onto the battlefield. + {1} — Creatures you control with power 4 or greater gain hexproof and indestructible until end of turn.

Instant

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card." Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Instant

Return target creature to its owner's hand. Untap up to two lands.

Creature — Human Wizard

Flash When this creature enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Creature — Faerie Wizard

Flying When this creature enters, you may pay {2}. When you do, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Creature — Dog

Menace Whenever another creature you control with power 2 or less enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Faerie Rogue

Flying When you draw your third card in a turn, return this card from your graveyard to the battlefield tapped.

Sorcery

Each player may discard their hand and draw five cards. Then Snort deals 5 damage to each opponent who discarded their hand this way. Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creature — Ooze

You may have S.N.O.T. enter stuck to another creature named S.N.O.T. If you do, all those creatures form a single creature. S.N.O.T.'s power and toughness are each equal to the square of the number of cards named S.N.O.T. stuck together to form it. (One is a 1/1, two are a 4/4, three are a 9/9, and four are a 16/16. If you manage to get -1 S.N.O.T.s stuck together, it's a 1/1.)

Basic Snow Land — Forest

({T}: Add {G}.)

Basic Snow Land — Island

({T}: Add {U}.)

Basic Snow Land — Mountain

({T}: Add {R}.)

Basic Snow Land — Plains

({T}: Add {W}.)

Basic Snow Land — Swamp

({T}: Add {B}.)

Enchantment

Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.

Legendary Creature — Human Rebel Monk

Vigilance Snow Villiers's power is equal to the number of creatures you control.

Instant

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

Land — Forest Island

({T}: Add {G} or {U}.) This land enters tapped unless you control two or more basic lands.

Artifact Creature — Salamander

Affinity for artifacts Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)

Legendary Land

{T}: Add {R}. Channel — {3}{R}, Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control.

Legendary Creature — Human Warrior Ally

When Sokka enters, discard up to two cards, then draw that many cards. Whenever you cast an artifact or Lesson spell, put a +1/+1 counter on Sokka.

Legendary Creature — Human Warrior Ally

Vigilance Whenever Sokka and at least one other creature attack, draw a card.

Instant — Lesson

Counter target spell. Draw a card, then mill three cards. Untap target land.

Instant — Lesson

Target creature gets +2/+2 until end of turn. Create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Legendary Creature — Human Warrior Ally

Vigilance Equipment spells you cast cost {1} less to cast for each Ally you control. At the beginning of combat on your turn, attach up to one target Equipment you control to Sokka.

Legendary Creature — Human Warrior Ally

Menace, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Other Allies you control have menace and prowess. Whenever you cast a noncreature spell, create a 1/1 white Ally creature token.