Flash
Ward
Probing Telepathy — Whenever a creature entering under an opponent's control causes a triggered ability of that creature to trigger, you may copy that ability. You may choose new targets for the copy.

Return target creature card from your graveyard to your hand.
Draw a card.

When this creature dies, create a 3/2 colorless Eldrazi Horror creature token.
Delirium — This creature gets +3/+0 as long as there are four or more card types among cards in your graveyard.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)
−2: Create a 0/3 white Wall creature token with defender.

When this creature dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Flash
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Enchant creature
Enchanted creature can't attack or block.
Enchanted creature has "At the beginning of your upkeep, you lose 1 life."

Flying
At the beginning of combat on your turn, if you have a full party, choose target nonland permanent an opponent controls. Until your next turn, it can't attack or block, and its activated abilities can't be activated.
Sacrifice Linvala: Choose hexproof or indestructible. Creatures you control gain that ability until end of turn.

When Jared Carthalion enters, target opponent becomes the monarch. You can't become the monarch this turn.
If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it.

When this creature enters, create a 1/1 green Saproling creature token.

Creatures you control have haste.
Sacrifice this enchantment: Target creature gets +2/+2 until end of turn.

Enchant creature
Enchanted creature has ": This creature gets +1/+1 until end of turn."
When enchanted creature dies, return that card to the battlefield under your control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create a 2/2 blue Shapeshifter creature token with changeling.
II — Any number of target Shapeshifter creatures you control have base power and toughness 4/4.
III — Choose up to one target creature or planeswalker. Each creature with power 4 or greater you control deals damage equal to its power to that permanent.

Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.)

Whenever an opponent casts their second spell each turn, you create a Treasure token.

All creatures able to block target creature this turn do so.
Ferocious — That creature gains indestructible until end of turn if you control a creature with power 4 or greater.

Whenever a player draws a card, that player loses 2 life unless they pay .

Flying
This creature enters with a -1/-1 counter on it.

Vigilance
Mobilize 3 (Whenever this creature attacks, create three tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.)

As this enchantment enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Flying, protection from red

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

, : You gain X life.

Whenever you cast a noncreature spell, you may pay . If you do, create a 1/1 red Goblin creature token with haste.

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Target creature gets +1/+1 and gains double strike until end of turn.

Destroy all green creatures. They can't be regenerated.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.

When this creature enters, create a 1/1 blue Merfolk creature token with hexproof. (It can't be the target of spells or abilities your opponents control.)

When Volo enters, create Volo's Journal, a legendary colorless Book artifact token with hexproof and "Whenever you cast a creature spell, note one of its creature types that hasn't been noted for Volo's Journal."
, : Draw a card for each creature type noted for target permanent you control named Volo's Journal.
Choose a Background

Whenever this creature or another Elemental you control enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

Acidic Soil deals damage to each player equal to the number of lands they control.

When this creature enters, put a +1/+1 counter on target creature.
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying, double strike, vigilance

As an additional cost to cast this spell, discard a card.
Draw two cards. Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)