Flying
When this creature enters, creatures you control gain flying and get +X/+X until end of turn, where X is the number of creatures you control.

Whenever you gain life, target opponent loses that much life.
: Creatures you control gain lifelink until end of turn.

Impending 4— (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)
Whenever this permanent enters or attacks, it deals 4 damage to any target.

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 in a random order.)
Creatures you control get +1/+0 until end of turn.

Whenever you activate a loyalty ability, create a 2/2 colorless Wizard Soldier creature token named Cadet.
+1: Creatures you control get +1/+0 and gain haste until end of turn.
−2: Discard your hand, then draw a card for each creature you control.
−3: Ajani deals 4 damage to each creature except for tokens you control.

: Add .
: Add . Activate only if you control a Mountain or a Plains.

This land enters tapped.
: Put a storage counter on this land.
, Remove any number of storage counters from this land: Add for each storage counter removed this way.

Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1.
When Blex dies, you gain 4 life.

Flying
Whenever Zur attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.

All Slivers have "Sacrifice this permanent: Add ."

Rough Divide — Whenever a creature you control attacks alone, it gains double strike until end of turn.
Whenever Squall deals combat damage to a player, return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Untap all permanents you control during each other player's untap step.

, : Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.
0: Draw three cards, then put two cards from your hand on top of your library in any order.
−1: Return target creature to its owner's hand.
−12: Exile all cards from target player's library, then that player shuffles their hand into their library.

When Mjölnir enters, it deals 4 damage to up to one target creature.
Double all damage equipped creature would deal.
Equip worthy (A creature is worthy if it's a legendary non-Villain that's red and/or white.)
, Discard this card: It deals 2 damage to each creature.

You have no maximum hand size.
: Add .

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

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

: Add .
, : Target legendary creature gains first strike until end of turn.