Psychic Possession

Enchant opponent
Skip your draw step.
Whenever enchanted opponent draws a card, you may draw a card.

Scrap Mastery

Each player exiles all artifact cards from their graveyard, then sacrifices all artifacts they control, then puts all cards they exiled this way onto the battlefield.

On the Trail

Whenever you draw your second card each turn, you may put a land card from your hand onto the battlefield tapped.

Sliver Hive

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Sliver spell.
{5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

Great Whale

When Great Whale enters, untap up to seven lands.

Damning Verdict

Destroy all creatures with no counters on them.

Root Sliver

This spell can't be countered.
Sliver spells can't be countered.

Phyrexian Altar

Sacrifice a creature: Add one mana of any color.