Lifelink (Damage dealt by this creature also causes you to gain that much life.)
As long as you have 30 or more life, this creature gets +5/+5 and has flying.

Reach
, Tap an untapped creature you control: Add one mana of any color.

All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or more poison counters loses the game.)

Creature cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional .

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")

: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Target player mills two cards.
Draw a card.

Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

, , Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

: Untap target Forest.

Destroy each artifact with mana value X or less.

Equipped creature gets +1/+1 and has trample and lifelink.
: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.
At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Whenever another Zombie you control enters, put a +1/+1 counter on this creature.

This creature doesn't untap during your untap step.
Whenever you cast a green spell, you may untap this creature.

, : Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.

As this artifact enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

Landfall — Whenever a land you control enters, target player mills three cards. (They put the top three cards of their library into their graveyard.)

: Target player mills a card. (They put the top card of their library into their graveyard.)
, , Sacrifice this artifact: Return target card from your graveyard to your hand.

Flying
When this creature enters, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
, : Create a Food token.
, Sacrifice a Food: Add one mana of any color.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Sacrifice a land: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
: Add .

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Look at target player's hand.
Draw a card.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

This creature gets -X/-X, where X is your life total.