This land enters tapped unless you control a Forest or a Plains.
: Add or .

Equipped creature gets +2/+1 and has ", Unattach Heartseeker: Destroy target creature."
Equip (: Attach to target creature you control. Equip only as a sorcery.)

(Gain the next level as a sorcery to add its ability.)
Whenever you attack, you may discard a card. If you do, draw a card.
: Level 2
Whenever you discard a card, this Class deals 2 damage to each opponent.
: Level 3
When this Class becomes level 3, search your library for a card, put it into your hand, shuffle, then discard a card at random.

Flying
Gotcha — If an opponent touches the table with their hand, you may say "Gotcha!" When you do, return this card from your graveyard to your hand.

Whenever an opponent discards a card, that player loses 2 life.

( can be paid with either or 2 life.)
Marrow Shards deals 1 damage to each attacking creature.

Flying, double strike
Whenever a creature you control deals combat damage to a player, you and that player each gain that much life.
At the beginning of your end step, if you have at least 15 life more than your starting life total, each player this creature attacked this turn loses the game.

Flying
Whenever this creature deals combat damage to a creature, destroy that creature.
Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

You have no maximum hand size.
: Add .

Flying
Whenever a creature becomes the target of a spell or ability, destroy that creature.

Double strike
Other creatures you control get +1/+0 for each Aura and Equipment attached to Kellan.

Exile target creature with power 2 or less. Its controller gains 4 life.

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Create X 1/1 green and white Citizen creature tokens. Creatures you control gain indestructible until end of turn.

As this artifact enters, choose a creature type. This artifact enters with a fellowship counter on it for each creature you control of the chosen type.
Creatures you control of the chosen type get +1/+1 for each fellowship counter on this artifact.

This spell can't be countered.
Flying, haste
: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Whenever Thorin or another Dwarf you control enters, create a Treasure token.
Other Dwarves you control get +1/+0 for each artifact token you control.

Surveil 2. You gain 2 life. If this spell was cast from a graveyard, exile it, then put it onto the battlefield transformed under its owner's control with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.