This creature enters with a javelin counter on it.
, Remove a javelin counter from this creature: It deals 1 damage to any target.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Target creature gets +5/+5 and gains shroud until end of turn. (It can't be the target of spells or abilities.)

Return all creatures to their owners' hands.

You may sacrifice three black creatures rather than pay this spell's mana cost.
Trample

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

When this creature enters, create a 0/1 green Plant creature token for each land you control.
Landfall — Whenever a land you control enters, you may put a +1/+1 counter on each Plant creature you control.

Mob Justice deals damage to target player or planeswalker equal to the number of creatures you control.

Equipped creature gets +1/+1 for each creature you control.
Equip

Suspend 2— (Rather than cast this card from your hand, pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

This creature enters with X +1/+1 counters on it.
When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature.
, : Put a +1/+1 counter on this creature.

When this artifact enters, you gain 3 life.
: Until end of turn, target land you control becomes the basic land type of your choice in addition to its other types.

Counter target spell.
Investigate three times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Draw a card. Scry 2.

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Put a +1/+1 counter on each creature target player controls. Target creature gains your choice of double strike or lifelink until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

Flying
When this creature enters, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
When this creature leaves the battlefield, return the exiled cards to their owners' hands.

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Imprint — When this artifact enters, each player exiles the top three cards of their library.
Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with this artifact without paying its mana cost.