Uro, Titan of Nature's Wrath

When Uro enters, sacrifice it unless it escaped.
Whenever Uro enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.
Escape—{G}{G}{U}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Azusa, Lost but Seeking

You may play two additional lands on each of your turns.

Mesmeric Orb

Whenever a permanent becomes untapped, that permanent's controller mills a card.

Tatyova, Benthic Druid

Landfall — Whenever a land you control enters, you gain 1 life and draw a card.

Hedron Crab

Landfall — Whenever a land you control enters, target player mills three cards.

Ramunap Excavator

Crucible of Worlds

Rampaging Baloths

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