Whenever you cast a creature spell, put X +1/+1 counters on target creature you control, where X is that spell's mana value.
Landfall — Whenever a land you control enters, create a 2/2 green Bear creature token.

Trample
Cultivator Colossus's power and toughness are each equal to the number of lands you control.
When this creature enters, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

Destroy all blocking creatures and all blocked creatures.

You may choose not to untap this artifact during your untap step.
, : Gain control of target creature with power less than or equal to the number of Islands you control for as long as this artifact remains tapped.

You may look at the top card of your library any time.
You may cast creature spells from the top of your library.
, , Tap two untapped creatures you control: Reveal a card from your hand or the top card of your library. If you reveal a creature card this way, put it onto the battlefield. Activate only during your turn.

Whenever a Sliver deals damage, its controller gains that much life.

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

Search your library for up to three Aura cards with different names, reveal them, put them into your hand, then shuffle.

Whenever an opponent draws a card, you may pay . If you do, draw a card.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
: Level 2
Equip abilities you activate cost less to activate.
: Level 3
Whenever a creature you control attacks, up to one target creature blocks it this combat if able.

Deathtouch
You may look at the top card of your library any time.
You may play lands and cast spells with mana value 4 or greater from the top of your library.
: Surveil 2.

Trample
Tap an untapped artifact you control: This creature gets +1/+1 until end of turn.

Destroy target creature. It can't be regenerated.

Flying
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying
Whenever Scarlet Witch deals combat damage to a player, look at the top two cards of your library, then exile them face down. Then you may cast a Hero or noncreature spell from among cards exiled with Scarlet Witch without paying its mana cost.

Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard.
Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost.
Equip

Your opponents can't cast spells this turn.

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.

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

Menace
Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.
Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.