Niv To Light

This spell can't be countered.

Destroy target nonland permanent with mana value 3 or less.

({T}: Add {B} or {R}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control two or fewer other lands.

{T}: Add {G} or {U}.

({T}: Add {G} or {U}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

Converge — Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Each opponent loses X life.

Each opponent returns a nonland permanent they control with the greatest mana value among permanents they control to its owner's hand, then discards a card.

Destroy target creature or planeswalker.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

({T}: Add {G}.)

This land enters tapped.

{T}: Add {G}, {U}, or {R}.

({T}: Add {W} or {B}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

Choose two —

• Return target creature card from your graveyard to your hand.

• Target player discards a card.

• Destroy target artifact.

• Kolaghan's Command deals 2 damage to any target.

({T}: Add {R}.)

Flying

When Niv-Mizzet enters, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

This land enters tapped.

{T}: Add {R}, {W}, or {B}.

When Oath of Kaya enters, it deals 3 damage to any target and you gain 3 life.

Whenever an opponent attacks a planeswalker you control with one or more creatures, Oath of Kaya deals 2 damage to that player and you gain 2 life.

({T}: Add {B} or {G}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

This creature has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)

{T}: Add one mana of any color.

({T}: Add {W}.)

This land enters tapped.

{T}: Add {W}, {B}, or {G}.

Trample

When this creature enters, each opponent loses 3 life and you gain 3 life.

({T}: Add {R} or {G}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

This spell can't be countered.

Destroy all creatures.

({T}: Add {B}.)

Defender, hexproof

{T}: Add one mana of any color.

Each opponent can cast spells only any time they could cast a sorcery.

[+1]: Until your next turn, you may cast sorcery spells as though they had flash.

[−3]: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

({T}: Add {G} or {W}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped.

When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {U} or {B}.

This land enters tapped.

When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {G} or {W}.

When Tolsimir enters, create Voja, Friend to Elves, a legendary 3/3 green and white Wolf creature token.

Whenever a Wolf you control enters, you gain 3 life and that creature fights up to one target creature you don't control.

Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

Exile target nonland permanent.

({T}: Add {U} or {B}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.