Keyword: Landfall

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Landfall — Whenever a land you control enters, you may have target creature block Turntimber Basilisk this turn if able.

Landfall — Whenever a land you control enters, 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.

Target creature gets +2/+2 until end of turn.
Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.

Landfall — Whenever a land you control enters, create a 2/2 green Elemental creature token.

Landfall — Whenever a land you control enters, Canopy Baloth gets +2/+2 until end of turn.

Landfall — Whenever a land you control enters, Baloth Woodcrasher gets +4/+4 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it’s attacking.)

Trample
Landfall — Whenever a land you control enters, you may create a 4/4 green Beast creature token.

Landfall — Whenever a land you control enters, equipped creature gets +2/+2 until end of turn.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Avenger of Zendikar enters, create a 0/1 green Plant creature token for each land you control.
Landfall — Whenever a land you control enters, you may put a +1/+1 counter on each Plant creature you control.

Landfall — Whenever a land you control enters, Steppe Lynx gets +2/+2 until end of turn.

Vigilance
Landfall — Whenever a land you control enters, exile target permanent card with mana value 3 or less from your graveyard.
When Trove Warden dies, put each permanent card exiled with it onto the battlefield under the control of that card’s owner.

Protection from planeswalkers and from Wizards
Greensleeves, Maro-Sorcerer’s power and toughness are each equal to the number of lands you control.
Landfall — Whenever a land you control enters, create a 3/3 green Badger creature token.

Protection from planeswalkers and from Wizards
Greensleeves, Maro-Sorcerer’s power and toughness are each equal to the number of lands you control.
Landfall — Whenever a land you control enters, create a 3/3 green Badger creature token.

Landfall — Whenever a land you control enters, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this token: Draw a card.”)
Whenever you sacrifice a Clue, put a +1/+1 counter on this creature.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever you cast a creature spell, create a 3/3 green Beast creature token.
Whenever you cast a noncreature spell, put three +1/+1 counters on target creature you control.
Landfall — Whenever a land you control enters, you gain 3 life.

First strike
Landfall — Whenever a land you control enters, goad each creature target player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with “, , Sacrifice this artifact: You gain 3 life.” Treasure is an artifact with “, Sacrifice this artifact: Add one mana of any color.”)

(Gain the next level as a sorcery to add its ability.)
Landfall — Whenever a land you control enters, you gain 1 life.
: Level 2
You may play an additional land on each of your turns.
: Level 3
When this Class becomes level 3, target land you control becomes a creature with haste and “This creature’s power and toughness are each equal to the number of lands you control.” It’s still a land.

(Gain the next level as a sorcery to add its ability.)
Landfall — Whenever a land enters under your control, you gain 1 life.
: Level 2
You may play an additional land on each of your turns.
: Level 3
When this Class becomes level 3, target land you control becomes a creature with haste and “This creature’s power and toughness are each equal to the number of lands you control.” It’s still a land.

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with “, , Sacrifice this artifact: You gain 3 life.” Treasure is an artifact with “, Sacrifice this artifact: Add one mana of any color.”)

Trample
Landfall — Whenever a land you control enters, you may create a 4/4 green Beast creature token.

Other creatures you control get +1/+1.
Landfall — Whenever a land you control enters, create a 1/1 white Human Warrior creature token.

Other creatures you control get +1/+1.
Landfall — Whenever a land you control enters, create a 1/1 white Human Warrior creature token.