Nonbasic lands are Mountains.

: Add .

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

: Add .
, , Exile this land: Target creature's owner shuffles it into their library.

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.)
Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 green Saproling creature token.

When this creature enters, you may put an Aura card from your hand onto the battlefield attached to this creature.

Flying, vigilance
: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control.

Whenever a player plays a land, that player draws a card.

Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.

Whenever this creature attacks, Goblin creatures you control get +1/+1 until end of turn.

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Protection from wordy (Something is wordy if it has four or more lines of rules text.)

: Add one mana of any color that a land an opponent controls could produce.

Equipped creature has ", : This creature gets +2/+2 until end of turn." ( is the untap symbol.)
Equip

Svyelun has indestructible as long as you control at least two other Merfolk.
Whenever Svyelun attacks, draw a card.
Other Merfolk you control have ward . (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

This creature gets +1/+1 for each other Squirrel on the battlefield.

Flying
, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Will of the council — At the beginning of combat on your turn, if another Elf entered the battlefield under your control this turn, starting with you, each player votes for dominion or guidance. If dominion gets more votes, the Ring tempts you, then you put a +1/+1 counter on your Ring-bearer. If guidance gets more votes or the vote is tied, draw a card.

This spell costs less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.