Lotus Field

Hexproof
Lotus Field enters tapped.
When Lotus Field enters, sacrifice two lands.
{T}: Add three mana of any one color.

Strict Proctor

Flying
Whenever a permanent entering causes a triggered ability to trigger, counter that ability unless its controller pays {2}.

Shattered Sanctum enters tapped unless you control two or more other lands.
{T}: Add {W} or {B}.

When Leveler enters, exile all cards from your library.

Trample
When Hunted Horror enters, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

Creatures entering don't cause abilities to trigger.

Flying, trample
When Eater of Days enters, you skip your next two turns.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.