Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

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.
Islandcycling

Flying
When this creature enters, draw two cards.
Evoke

Create a 3/3 blue and red Elemental creature token with flying.
Surveil 2.

Draw two cards.
Landfall — If you had a land enter the battlefield under your control this turn, draw three cards instead.

This creature can't be blocked.
Morph

, : You may cast an instant or sorcery spell from your hand without paying its mana cost.

Devoid
, Put a card an opponent owns from exile into that player's graveyard: Draw a card, then discard a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Tap up to one target creature. It doesn't untap during its controller's untap step for as long as this Saga remains on the battlefield.
Draw two cards.
You may put an artifact card with mana value 5 or less from your hand onto the battlefield.

This spell costs less to cast if creatures you control have total toughness 10 or greater.
When Orysa enters, draw two cards.

Target player draws four cards.
Will of the Planeswalkers — Starting with you, each player votes for planeswalk or chaos. If planeswalk gets more votes, planeswalk. If chaos gets more votes or the vote is tied, chaos ensues.

When this creature enters, return up to one target tapped creature to its owner's hand.

Flying
When this creature enters, untap up to five lands.

Whenever an opponent casts a spell, you may exchange control of this creature and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)

Look at the top three cards of your library. You may put those cards on the bottom of your library in any order. If you do, return Petals of Insight to its owner's hand. Otherwise, draw three cards.

Devoid
When you cast this spell, tap up to one target creature and put a stun counter on it.
Reach

Ward
Whenever you cast a noncreature spell, Pharaoh Rama-Tut connives.

This creature can't attack unless defending player controls an Island.
: This creature deals 1 damage to any target.
When you control no Islands, sacrifice this creature.

You may have this creature enter as a copy of any creature on the battlefield, except it's a Pirate in addition to its other types and it has "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card."

Mutate
Flash
Whenever this creature mutates, you may return target creature an opponent controls to its owner's hand.

At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library.

At the beginning of your end step, you may manifest the top card of your library.
Exile a face-down permanent you control face up: You may play that card this turn. (You still pay its costs. Timing rules still apply.)

Converge — This enchantment enters with a crystal counter on it for each color of mana spent to cast it.
Remove a crystal counter from this enchantment: Tap target creature.
: Scry 3.

Vigilance
When this creature enters, draw cards equal to the number of Zombies you control or the number of Zombie cards in your graveyard, whichever is greater.

When this creature enters, create two Treasure tokens.

: This creature deals 2 damage to any target and 3 damage to itself.

All Sliver creatures have ": This creature deals 2 damage to any target and 3 damage to itself."

When this creature enters, it connives. When it connives this way, return up to one target nonland permanent to its owner's hand.