At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land of their choice.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
At the beginning of combat on your turn, look at the top five cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

This land enters tapped unless you control an Island or a Mountain.
: Add or .

Spells can't be countered.
Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Whenever High Perfect Morcant or another Elf you control enters, each opponent blights 1. (They each put a -1/-1 counter on a creature they control.)
Tap three untapped Elves you control: Proliferate. Activate only as a sorcery. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying
Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.
Sacrifice a Spirit: Add .

(: Add or .)
This land enters tapped unless you control two or more basic lands.

Enchant artifact or creature you control
The first time you would create one or more tokens each turn, you may instead create that many tokens that are copies of enchanted permanent.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Flying
When this creature enters, search your library for a card, put it into your hand, then shuffle.

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

(: Add .)

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.
Equip

Choose one —
• Untap all lands you control.
• Until end of turn, lands you control become 2/2 creatures that are still lands.
Entwine (Choose both if you pay the entwine cost.)

Return all nonland permanents target player controls to their owner's hand.

Flash
Domain — This spell costs less to cast for each basic land type among lands you control.
When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Flying
Whenever a player casts a nonblack spell, that player loses 1 life.

: Add .
Cycling (, Discard this card: Draw a card.)

This land enters tapped unless you control a basic land.
: Add .
, : Draw a card, then discard a card.

Flying, lifelink, protection from Vampires
Katilda's power and toughness are each equal to the number of permanents you control that are Spirits and/or enchantments.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)