Replicate

Create a token that's a copy of target creature you control.

Repudiate

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Repudiate // Replicate

Biovisionary

At the beginning of the end step, if you control four or more creatures named Biovisionary, you win the game.

Druid of the Cowl

Drover of the Mighty

Drover of the Mighty gets +2/+2 as long as you control a Dinosaur.
{T}: Add one mana of any color.

Keep Safe

Counter target spell that targets a permanent you control.
Draw a card.

Forest

Quasiduplicate

Create a token that's a copy of target creature you control.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Neoform

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

Island

Mirror Image

You may have Mirror Image enter as a copy of a creature you control.

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Augur of Bolas

When Augur of Bolas enters, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Fated Infatuation

Create a token that's a copy of target creature you control. If it's your turn, scry 2.