This creature gets +1/+1 as long as you control a Swamp.
: Regenerate this creature.

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.
: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

The Watcher in the Water enters tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token.
Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.

Whenever an opponent casts a spell, you may draw a card unless that player pays .

This artifact enters with three wish counters on it.
, , Remove a wish counter from this artifact: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of this artifact. Activate only during your turn.

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

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

This spell costs less to cast, where X is the greatest power among creatures you control.
: Add . You gain 2 life.
Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

Flying
When Aerid Konstrari enters or dies, create a Heartwood token. (It's a red and green artifact with ": Add or .")
: Create a Heartwood token. Then Aerid Konstrari gets +X/+0 until end of turn, where X is the number of artifacts you control.

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

Menace
This creature enters with six -1/-1 counters on it.
Whenever one or more permanent cards are put into your graveyard from anywhere while this creature has a -1/-1 counter on it, remove a -1/-1 counter from this creature.

Sacrifice this creature: It deals 1 damage to any target.

Whenever an opponent casts a spell, you may draw a card unless that player pays .

This artifact enters with X charge counters on it.
Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that spell.

When Phage enters, if you didn't cast it from your hand, you lose the game.
Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated.
Whenever Phage deals combat damage to a player, that player loses the game.

Dark Depths enters with ten ice counters on it.
: Remove an ice counter from Dark Depths.
When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Flying
Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.
: Draw a card, then discard a card.
When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Flying
At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, this creature deals 3 damage to you.
When you control no lands, sacrifice this creature.

Flying, deathtouch
Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.)