Flying
Whenever this creature enters or attacks, exile a card from a graveyard.
You may look at the top card of your library any time.
Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with this creature.

: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

Dragons you control have indestructible.
At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Return target spell or nonland permanent an opponent controls to its owner's hand.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
At the beginning of each of your postcombat main phases, add for each 1 life your opponents have lost this turn.

This artifact enters tapped.
: Add X mana of any one color, where X is the greatest number of creatures you control that have a creature type in common.

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

This land enters tapped unless you control two or more other lands.
: Add or .

: Add .
, Sacrifice this land: Put your commander into your hand from the command zone.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Until your next turn, creatures you control gain ": Add one mana of any color."
III — Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

All Sliver creatures have defender.
All Slivers have "When this permanent enters, draw a card."

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Flying
Whenever another Angel you control enters, put a +1/+1 counter on this creature.

Flying
Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Whenever a player casts a spell, that player discards a card.

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

Kicker (You may pay an additional as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.

Menace
Whenever Black Widow deals combat damage to a player, that player exiles cards from the top of their library until they exile a nonland card. You may put a +1/+1 counter on Black Widow. If you don't, you may cast the exiled nonland card until end of turn and mana of any type can be spent to cast that spell.