Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.

Target creature without flying can't block this turn.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)
, : Hateflayer deals damage equal to its power to any target. ( is the untap symbol.)

Flying
When Havoc Demon dies, all creatures get -5/-5 until end of turn.

When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)

When Hunted Wumpus enters the battlefield, each other player may put a creature card from their hand onto the battlefield.

Exile all cards from target player's hand and graveyard.

Change the target of target spell with a single target. You lose life equal to that spell's converted mana cost.

Reach (This creature can block creatures with flying.)
Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, sacrifice Kami of the Tended Garden unless you pay .
Soulshift 3 (When this creature dies, you may return target Spirit card with converted mana cost 3 or less from your graveyard to your hand.)

Flying
Whenever Kinscaer Harpoonist attacks, you may have target creature lose flying until end of turn.

Sacrifice an artifact: Krark-Clan Grunt gets +1/+0 and gains first strike until end of turn.

Sacrifice an artifact: Krark-Clan Shaman deals 1 damage to each creature without flying.

Target creature gets -3/-3 until end of turn.

Target player reveals their hand, then you choose a card other than a basic land card from it. Search that player's graveyard, hand, and library for all cards with the same name as the chosen card and exile them. Then that player shuffles their library.

Creatures you control have haste.
Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.)

, : Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Whenever a creature enters the battlefield, enchanted creature gets +2/+2 until end of turn.

Enchant creature
Enchanted creature has haste.
At the beginning of the end step, return Mark of Fury to its owner's hand.

Other Merfolk creatures you control get +1/+1.
Whenever you cast a Merfolk spell, you may tap or untap target permanent.