Night Soil

, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

Skyscribing

Each player draws X cards.
Forecast — , Reveal Skyscribing from your hand: Each player draws a card. (Activate this ability only during your upkeep and only once each turn.)

New Benalia

New Benalia enters the battlefield tapped.
When New Benalia enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
: Add .

Ravenous Brute Head

Hero’s Reward — When Ravenous Brute Head leaves the battlefield, each player gains 2 life and draws a card.

Hydra Head

Hero’s Reward — When Hydra Head leaves the battlefield, each player gains 2 life.

Snapping Fang Head

At the beginning of the Hydra’s end step, Snapping Fang Head deals 1 damage to each player.
Hero’s Reward — When Snapping Fang Head leaves the battlefield, each player gains 4 life and draws a card.

Shrieking Titan Head

At the beginning of the Hydra’s end step, each player discards a card.
Hero’s Reward — When Shrieking Titan Head leaves the battlefield, each player gains 4 life and draws a card.

Savage Vigor Head

At the beginning of the Hydra’s end step, reveal the top card of the Hydra’s library and the Hydra casts that card.
Hero’s Reward — When Savage Vigor Head leaves the battlefield, each player gains 4 life and draws a card.

New Benalia

New Benalia enters the battlefield tapped.
When New Benalia enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
: Add .

Merciless Eviction

Choose one —
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all planeswalkers.

Cryptborn Horror

Trample
Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

Worldspine Wurm

Trample
When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample.
When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner’s library.