Kicker (You may pay an additional as you cast this spell.)
Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Create a 1/1 green Squirrel creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sliver creatures you control have flying.

Earthquake deals X damage to each creature without flying and each player.

All Slivers have ": Target player mills a card."

Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

This creature gets +2/+2 as long as there are three or more land cards in your graveyard.
, , Sacrifice a land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Draw two cards, then discard two cards.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
: Add , , or .

Destroy X target artifacts.

Prowess
If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.

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

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.

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.