Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Artifacts and creatures your opponents control enter tapped.

( can be paid with either or .)
Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

: Add .
: This land becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Flying, lifelink
Whenever The Haunt of Hightower attacks, defending player discards a card.
Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.

Creatures you control get +1/+1.
Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever a creature an opponent controls dies, exile it with a hit counter on it.
Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."

Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Each player may discard their hand and draw five cards.
• Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

: This creature deals 1 damage to target creature with flying.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Landfall — Whenever a land you control enters, you may get two rad counters.
: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

+1: Put a loyalty counter on Huatli for each creature you control.
−1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.
−8: You get an emblem with "Whenever a creature you control enters, you may draw a card."

(: Add .)

: Add three mana of any one color.

Devoid (This card has no color.)
When you cast this spell, exile target artifact, enchantment, or land.
Reach
, Sacrifice a land: Return this card from your graveyard to your hand. ( represents colorless mana.)

Target player draws two cards and loses 2 life.

Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard.
At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This token can't block."

+1: Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.
+1: Untap up to four target Forests.
−7: Search your library for any number of basic land cards, put them onto the battlefield, then shuffle. Those lands become 4/4 Elemental creatures with trample. They're still lands.

For each token you control, create a token that's a copy of that permanent.

Sacrifice a creature: This creature gets +2/+2 until end of turn.