Keyword: Cycling

Lonely Sandbar enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Trample
Cycling (, Discard this card: Draw a card.)
When you cycle Rampaging War Mammoth, destroy up to X target artifacts.

Tranquil Thicket enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

When Monstrosity of the Lake enters, you may pay . If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Draw three cards.
Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Troll of Khazad-dûm can’t be blocked except by three or more creatures.
Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Draw four cards.
Cycling (, Discard this card: Draw a card.)

Trample
Whenever Oliphaunt attacks, another target creature you control gets +2/+0 and gains trample until end of turn.
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

When Monstrosity of the Lake enters, you may pay . If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Trample
Cycling (, Discard this card: Draw a card.)
When you cycle Rampaging War Mammoth, destroy up to X target artifacts.

(: Add or .)
Scattered Groves enters tapped.
Cycling (, Discard this card: Draw a card.)

Flying
When Eagles of the North enters, creatures you control get +1/+0 and gain first strike until end of turn.
Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

When Orchard Strider enters, create two Food tokens. (They’re artifacts with “, , Sacrifice this artifact: You gain 3 life.”)
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Trample
Whenever Oliphaunt attacks, another target creature you control gets +2/+0 and gains trample until end of turn.
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Reach
When Generous Ent enters, create a Food token. (It’s an artifact with “, , Sacrifice this artifact: You gain 3 life.”)
Forestcycling (, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Trample, haste
When The Balrog of Moria dies, you may exile it. When you do, for each opponent, exile up to one target creature that player controls.
Cycling (, Discard this card: Draw a card.)
When you cycle The Balrog of Moria, create two Treasure tokens.

Trample, haste
When The Balrog of Moria dies, you may exile it. When you do, for each opponent, exile up to one target creature that player controls.
Cycling (, Discard this card: Draw a card.)
When you cycle The Balrog of Moria, create two Treasure tokens.

Destroy all creatures. They can’t be regenerated. Draw a card for each creature destroyed this way.
Cycling (, Discard this card: Draw a card.)
When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

: Add .
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Hand Backup 1 (When this creature enters the battlefield, you may reveal a creature card from your hand. When it eventually comes into play, if you cast it from your hand, it enters with a +1/+1 counter. It also gains the following ability in your hand until end of turn.)
Basic Landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Solar Blast deals 3 damage to any target.
Cycling (, Discard this card: Draw a card.)
When you cycle Solar Blast, you may have it deal 1 damage to any target.

Enchant creature
Enchanted creature gets +2/+5.
Cycling (, Discard this card: Draw a card.)

Prevent all combat damage that would be dealt this turn.
Cycling (, Discard this card: Draw a card.)

Cycling (, Discard this card: Draw a card.)
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.