Pioneer

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many...

Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering ...

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Undergrowth Scavenger enters the battlefield with a number of +1/+1 counters on it equal to the number of creature cards in all graveyards.

Haste {T}: Add one mana of any color. Spend this mana only to cast a creature spell.

This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X...

Reach (This creature can block creatures with flying.) Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create ...

Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands.

At the beginning of your upkeep, you may mill two cards. Whenever one or more land cards are put into your graveyard from anywhere for the first ti...

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

Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordea...

Mill three cards, then you may return a creature or land card from your graveyard to your hand.

Undergrowth — When Vigorspore Wurm enters the battlefield, target creature gains vigilance and gets +X/+X until end of turn, where X is the number ...

Flying When Destructor Dragon dies, destroy target noncreature permanent.

Scrounging Bandar enters the battlefield with two +1/+1 counters on it. At the beginning of your upkeep, you may move any number of +1/+1 counters ...

Trample Voracious Hydra enters the battlefield with X +1/+1 counters on it. When Voracious Hydra enters the battlefield, choose one — • Double the ...

Flying Whenever Vaevictis Asmadi, the Dire attacks, for each player, choose target permanent that player controls. Those players sacrifice those pe...

Vastwood Hydra enters the battlefield with X +1/+1 counters on it. When Vastwood Hydra dies, you may distribute a number of +1/+1 counters equal to...

Sliver creatures you control get +1/+1.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Until your next turn, creatures you control gain "...

When Golgari Findbroker enters the battlefield, return target permanent card from your graveyard to your hand.

Flash When Frilled Mystic enters the battlefield, you may counter target spell.

{4}{G}: Transform Kessig Prowler.

Outlast {G} ({G}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has t...