Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
This creature can't be blocked by non-Wall creatures.

First strike

As an additional cost to cast this spell, pay X life.
Fire Covenant deals X damage divided as you choose among any number of target creatures.

, Pay 1 life: Counter target white spell.

When this creature enters, draw a card at the beginning of the next turn's upkeep.

, : Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay , where X is that creature's mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared.

Target player discards a card.
Draw a card at the beginning of the next turn's upkeep.

: Look at the top three cards of target player's library, then put them back in any order.

Defender (This creature can't attack.)
Banding (If any creatures with banding you control are blocking a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by.)

Flying; first strike; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Destroy target nonblack creature. It can't be regenerated.

Reach (This creature can block creatures with flying.)
Whenever this creature blocks a creature with flying, this creature gets +0/+2 until end of turn.

: This creature deals 1 damage to target creature with flying.

This creature has trample as long as you control a snow land.

Spend only black and/or red mana on X.
Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

: Target land becomes a Swamp until its controller's next untap step.

Enchant non-Wall creature
Enchanted creature has first strike and trample.
At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.

This artifact enters tapped.
, , Sacrifice this artifact: X target creatures with power 2 or less can't be blocked this turn.

: Untap target land.

, Pay 1 life: Counter target black spell.

, : Target creature gains trample until end of turn.

Enchant creature
Enchanted creature gets +0/+2.
: Enchanted creature gets +1/+0 until end of turn.

Flare deals 1 damage to any target.
Draw a card at the beginning of the next turn's upkeep.

Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.

Defender (This creature can't attack.)
: This creature gets +1/+1 until end of turn.

Attacking creatures get +1/+0 and gain trample until end of turn.

Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.)

, Discard a card at random: This enchantment deals 2 damage to any target.

Untap all white creatures you control.
Whenever a creature blocks this turn, it gets +0/+1 until end of turn.

: This creature deals 2 damage to any target and 3 damage to you.

Touch of Death deals 1 damage to target player or planeswalker. You gain 1 life.
Draw a card at the beginning of the next turn's upkeep.

This creature has banding as long as you control a Plains. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Green creatures you control get +1/+1 until end of turn.
Nongreen creatures you control get +1/+0 until end of turn.

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control of their choice, then sacrifices a third of the lands they control of their choice. Round up each time.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
At the beginning of your upkeep, choose a land type. This creature gains landwalk of the chosen type until end of turn. (It can't be blocked as long as defending player controls a land of that type.)