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 only during your upkeep and only once each turn.)

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.

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.

New Benalia

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

Merciless Eviction

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

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.

Cryptborn Horror

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