When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.
Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.
5 /
5
{1}{G}
Budoka Gardener
Creature - Human Monk
{T}: You may put a land card from your hand onto the battlefield. If you control ten or more lands, flip Budoka Gardener.
2 /
1
--
Dokai, Weaver of Life
Legendary Creature - Human Monk
{4}{G}{G}, {T}: Create an X/X green Elemental creature token, where X is the number of lands you control.
2 /
1
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
{R}
Dragonmaster Outcast
Creature - Human Shaman
At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.
1 /
1
{1}{U}
Dreamscape Artist
Creature - Human Spellshaper
{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.
1 /
1
{2}{G}
Harrow
Instant
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.
{2}{U}
Kefnet the Mindful
Legendary Creature - God
Flying, indestructible
Kefnet the Mindful can't attack or block unless you have seven or more cards in hand.
{3}{U}: Draw a card, then you may return a land you control to its owner's hand.
5 /
5
{1}{G}
Khalni Heart Expedition
Enchantment
Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.
Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
{R}{R}{G}
Living Twister
Creature - Elemental
{1}{R}, Discard a land card: Living Twister deals 2 damage to any target.
{G}: Return a tapped land you control to its owner's hand.
2 /
5
{4}{U}
Meloku the Clouded Mirror
Legendary Creature - Moonfolk Wizard
Flying
{1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.
2 /
4
{2}{R}{G}
Mina and Denn, Wildborn
Legendary Creature - Elf Ally
You may play an additional land on each of your turns.
{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.
4 /
4
{4}{G}{G}
Multani, Yavimaya's Avatar
Legendary Creature - Elemental Avatar
Reach, trample
Multani, Yavimaya's Avatar gets +1/+1 for each land you control and each land card in your graveyard.
{1}{G}, Return two lands you control to their owner's hand: Return Multani from your graveyard to your hand.
0 /
0
{3}{R}{R}
Nesting Dragon
Creature - Dragon
Flying
Landfall -- Whenever a land enters the battlefield under your control, create a 0/2 red Dragon Egg creature token with defender and "When this creature dies, create a 2/2 red Dragon creature token with flying and '{R}: This creature gets +1/+0 until end of turn.'"
5 /
4
{3}{G}{G}
Nissa, Vital Force
Legendary Planeswalker - Nissa
+1: Untap target land you control. Until your next turn, it becomes a 5/5 Elemental creature with haste. It's still a land.
-3: Return target permanent card from your graveyard to your hand.
-6: You get an emblem with "Whenever a land enters the battlefield under your control, you may draw a card."
L:
5
{3}{R}{R}{G}{G}
Omnath, Locus of Rage
Legendary Creature - Elemental
Landfall -- Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.
5 /
5
{3}{G}
Oracle of Mul Daya
Creature - Elf Shaman
You may play an additional land on each of your turns.
Play with the top card of your library revealed.
You may play lands from the top of your library.
2 /
2
{5}{U}{U}
Patron of the Moon
Legendary Creature - Spirit
Moonfolk offering (You may cast this card any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.)
Flying
{1}: Put up to two land cards from your hand onto the battlefield tapped.
5 /
4
{4}{G}{G}
Rampaging Baloths
Creature - Beast
Trample
Landfall -- Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.
6 /
6
{2}{G}
Retreat to Kazandu
Enchantment
Landfall -- Whenever a land enters the battlefield under your control, choose one --
• Put a +1/+1 counter on target creature.
• You gain 2 life.
{2}{U}{U}
Soratami Savant
Creature - Moonfolk Wizard
Flying
{3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}.
2 /
2
{2}{G}
Springbloom Druid
Creature - Elf Druid
When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
1 /
1
{2}{G}
Sylvan Awakening
Sorcery
Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands.
{3}{G}{U}
Tatyova, Benthic Druid
Legendary Creature - Merfolk Druid
Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.
3 /
3
{2}{G}
Tireless Tracker
Creature - Human Scout
Landfall -- Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.
3 /
2
{3}{G}{G}
Titania, Protector of Argoth
Legendary Creature - Elemental
When Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield.
Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.
5 /
3
{4}{U}{U}
Uyo, Silent Prophet
Legendary Creature - Moonfolk Wizard
Flying
{2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.
4 /
4
{3}{G}{G}
Zendikar's Roil
Enchantment
Landfall -- Whenever a land enters the battlefield under your control, create a 2/2 green Elemental creature token.
{2}{G}
Beast Within
Instant
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
{1}{U}
Cyclonic Rift
Instant
Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{2}{R}{G}
Decimate
Sorcery
Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{1}{G}
Nature's Lore
Sorcery
Search your library for a Forest card, put that card onto the battlefield, then shuffle.
{U}
Pongify
Instant
Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.
{1}{G}
Rampant Growth
Sorcery
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{U}
Rapid Hybridization
Instant
Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.
{1}{U}
Reality Shift
Instant
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)
{4}{R}{G}
Rubblehulk
Creature - Elemental
Rubblehulk's power and toughness are each equal to the number of lands you control.
Bloodrush -- {1}{R}{G}, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control.
* /
*
{1}{G}
Sakura-Tribe Elder
Creature - Snake Shaman
Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
1 /
1
{4}
Seer's Sundial
Artifact
Landfall -- Whenever a land enters the battlefield under your control, you may pay {2}. If you do, draw a card.