Fumiko the Lowblood has bushido X, where X is the number of attacking creatures. (Whenever this creature blocks or becomes blocked, it gets +X/+X until end of turn.)
Creatures your opponents control attack each combat if able.

Flash
When Garna, the Bloodflame enters the battlefield, return to your hand all creature cards in your graveyard that were put there from anywhere this turn.
Other creatures you control have haste.

You may pay rather than pay the cycling cost of the first card you cycle each turn.
Whenever you draw your second card each turn, create a 2/2 red and white Dinosaur Cat creature token.

: Add .
, : Put a +1/+1 counter on each creature you control.

Destroy each nonland permanent with converted mana cost X or less.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost X or less from among them onto the battlefield. Then shuffle the rest into your library.
Genesis Hydra enters the battlefield with X +1/+1 counters on it.

Whenever a player casts a spell, if it's not their turn, that player draws a card.

Menace
When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with converted mana cost 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard this turn, exile it instead.

Golgari Rot Farm enters the battlefield tapped.
When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.
: Add .

: Add .
, , Sacrifice a creature: Draw a card.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Draw a card. You may put a land card from your hand onto the battlefield.

Gruul Turf enters the battlefield tapped.
When Gruul Turf enters the battlefield, return a land you control to its owner's hand.
: Add .

Partner with Pako, Arcane Retriever (When this creature enters the battlefield, target player may put Pako into their hand from their library, then shuffle.)
You may play noncreature cards from exile with fetch counters on them if you exiled them, and you may spend mana as though it were mana of any color to cast those spells.

Halimar Depths enters the battlefield tapped.
When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.
: Add .

Draw three cards.

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle your library.

Equipped creature gets +3/+1.
Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.
Equip

Flying
When Herald of the Forgotten enters the battlefield, if you cast it, return any number of target permanent cards with cycling abilities from your graveyard to the battlefield.

Heroes' Bane enters the battlefield with four +1/+1 counters on it.
: Put X +1/+1 counters on Heroes' Bane, where X is its power.