Flying

Whenever Cursed Monstrosity becomes the target of a spell or ability, sacrifice it unless you discard a land card.

Etched Monstrosity enters with five -1/-1 counters on it.

, Remove five -1/-1 counters from Etched Monstrosity: Target player draws three cards.

Trample

When Moldgraf Monstrosity dies, exile it, then return two creature cards at random from your graveyard to the battlefield.

When Monstrosity of the Lake enters, you may pay . If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

When you cast a creature spell, sacrifice Skittering Monstrosity.

Trample

At the beginning of combat on your turn, mill a card and choose an opponent at random. Ursine Monstrosity attacks that player this combat if able. Until end of turn, Ursine Monstrosity gains indestructible and gets +1/+1 for each card type among cards in your graveyard.