: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)

You may play an additional land on each of your turns.
Play with the top card of your library revealed.
You may play lands from the top of your library.

Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)
Attacking creatures you control have double strike.

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Flying
: Each creature you control gets +1/+0 until end of turn.

Sacrifice a land: You gain 2 life.

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

, : Add .

: Add .
: Add . Activate only if you control an Island or a Mountain.

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Boseiju enters tapped.
, Pay 2 life: Add . If that mana is spent on an instant or sorcery spell, that spell can't be countered.

Tap another untapped creature you control: Tyvar gains indestructible until end of turn. Tap it.
: Creatures you control get +X/+X until end of turn, where X is the greatest power among creatures you control.

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

Flying
Whenever you create or sacrifice a token, each opponent loses 1 life.

Berzerker — Khârn the Betrayer attacks or blocks each combat if able.
Sigil of Corruption — When you lose control of Khârn the Betrayer, draw two cards.
The Betrayer — If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

Enchant artifact or land
Enchanted permanent has ": Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the bottom in a random order.)

Flying
: Add one mana of any color.

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

+1: Draw a card. At the beginning of the next end step, untap up to two lands.
−3: Put target nonland permanent into its owner's library third from the top.
−8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."

At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.