Wandering Stream

Domain — You gain 2 life for each basic land type among lands you control.

Exotic Curse

Enchant creature
Domain — Enchanted creature gets -1/-1 for each basic land type among lands you control.

Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Forest

Allied Strategies

Domain — Target player draws a card for each basic land type among lands they control.

Primal Growth

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)
Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Quirion Explorer

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

Tribal Flames

Domain — Tribal Flames deals X damage to any target, where X is the number of basic land types among lands you control.

Island

Mountain

Quirion Trailblazer

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Plains

Exotic Disease

Domain — Target player loses X life and you gain X life, where X is the number of basic land types among lands you control.

Kavu Recluse

{T}: Target land becomes a Forest until end of turn.

Swamp

Worldly Counsel

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Magnigoth Treefolk

Domain — For each basic land type among lands you control, this creature has landwalk of that type. (It can't be blocked as long as defending player controls a land of that type.)

Strength of Unity

Enchant creature
Domain — Enchanted creature gets +1/+1 for each basic land type among lands you control.

Samite Pilgrim

Domain — {T}: Prevent the next X damage that would be dealt to target creature this turn, where X is the number of basic land types among lands you control.

Confound

Counter target spell that targets a creature.
Draw a card.

Gaea's Might

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Stratadon

Domain — This spell costs {1} less to cast for each basic land type among lands you control.
Trample

Ordered Migration

Domain — Create a 1/1 blue Bird creature token with flying for each basic land type among lands you control.

Rith's Charm

Choose one —
• Destroy target nonbasic land.
• Create three 1/1 green Saproling creature tokens.
• Prevent all damage a source of your choice would deal this turn.

Kavu Scout

Domain — This creature gets +1/+0 for each basic land type among lands you control.

Quirion Dryad

Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature.

Terminal Moraine

{T}: Add {C}.
{2}, {T}, Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Treva's Charm

Choose one —
• Destroy target enchantment.
• Exile target attacking creature.
• Draw a card, then discard a card.

Wayfaring Giant

Domain — This creature gets +1/+1 for each basic land type among lands you control.

Breath of Darigaaz

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.