Whenever a player casts an instant or sorcery spell, that player copies it. The player may choose new targets for the copy.

Whenever chaos ensues, instant and sorcery spells you cast this turn cost {3} less to cast.

Whenever a player casts a creature spell that’s black, red, or green, it gains devour 5. (As the creature enters the battlefield, its controller may sacrifice any number of creatures. The creature enters the battlefield with five times that many +1/+1 counters on it.)

Whenever chaos ensues, create two 1/1 red Goblin creature tokens.

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.

Whenever chaos ensues, until your next turn, noncreature artifacts you control gain “{T}, Sacrifice this artifact: Flip a coin. If you win the flip, this artifact deals 3 damage to any target.”

Prevent all combat damage that would be dealt by non-Werewolf creatures.

Whenever chaos ensues, each creature you control gets +2/+2, gains trample, and becomes a Werewolf in addition to its other types until end of turn.

When you planeswalk to Ketria and at the beginning of your upkeep, put your choice of a vigilance, menace, or trample counter on target creature you control.

Whenever chaos ensues, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

Whenever a creature you control attacks a player, for each other opponent, you may create a token that’s a copy of that creature, tapped and attacking that opponent. Exile those tokens at the beginning of the next end step.

Whenever chaos ensues, you may sacrifice any number of creatures. If you do, Kharasha Foothills deals that much damage to target creature.

When you planeswalk to Kilnspire District or at the beginning of your precombat main phase, put a charge counter on Kilnspire District, then add {R} for each charge counter on it.

Whenever chaos ensues, you may pay {X}. If you do, Kilnspire District deals X damage to any target.

All creatures get +2/+2.

Whenever chaos ensues, you may add {W}{U}{B}{R}{G}.

At the beginning of your upkeep, sacrifice a creature. If you can’t, planeswalk.

Whenever chaos ensues, any number of target players each create a 2/2 black Zombie creature token.

Still Point in Time — All spells have split second. (As long as a spell with split second is on the stack, players can’t cast spells or activate abilities that aren’t mana abilities.)

Whenever chaos ensues, Lake Silencio deals 6 damage to target creature an opponent controls. If a creature dealt damage this way would die this turn, exile it instead.

At the beginning of your upkeep, mill ten cards.

Whenever chaos ensues, target player mills ten cards.

When you planeswalk to Littjara and at the beginning of your upkeep, create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Whenever chaos ensues, choose a creature type. Put a +1/+1 counter on each creature you control of that type.

All creatures have “{T}: Add {G}{G}.”

Whenever chaos ensues, untap all creatures you control.

Each creature with mana value 2 or less gets +2/+2.

Whenever chaos ensues, create a 1/1 green Insect creature token with flying named Butterfly.

Whenever a player casts a spell, that player may draw a card.

Whenever chaos ensues, each player may return a blue card from their graveyard to their hand.

Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell.

Whenever chaos ensues, target player reveals the top card of their library. If it’s a nonland card, you may cast it without paying its mana cost.

Whenever a creature attacks, it gets +1/+1 until end of turn for each other creature its controller controls that shares a creature type with it.

Whenever chaos ensues, turn target creature face down. It becomes a 2/2 Cyberman artifact creature.

At the beginning of your end step, put a pressure counter on Mount Keralia.

When you planeswalk away from Mount Keralia, it deals damage equal to the number of pressure counters on it to each creature and each planeswalker.

Whenever chaos ensues, prevent all damage that planes named Mount Keralia would deal this game to permanents you control.

Whenever a nontoken creature enters the battlefield, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever chaos ensues, target land becomes a 4/4 creature that’s still a land.

At the beginning of your upkeep, put a flame counter on Naar Isle, then Naar Isle deals damage to you equal to the number of flame counters on it.

Whenever chaos ensues, Naar Isle deals 3 damage to target player or planeswalker.