At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of nonbasic lands they control.

Destroy all lands.

Starting with you, each player may put a permanent card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

At the beginning of your upkeep, this creature deals 1 damage to you.

Creatures without flying can't attack.

Flying
: This creature deals 1 damage to each creature with flying and each player. Any player may activate this ability.

Thrull creatures get +1/+1.
: Gain control of target Thrull for as long as you control this creature.

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.)
, Pay 3 life for each velocity counter on this enchantment: Destroy target permanent and put a velocity counter on this enchantment. Activate only once each turn.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

You may have this creature enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost.
Distribute two -2/-1 counters among one or two target creatures.

: Target player chooses a card name, then reveals the top card of their library. If that card has the chosen name, that player puts it into their hand. If it doesn't, the player puts it into their graveyard.

, , Exile this artifact: The next time you would draw a card this turn, instead put a card you own from outside the game into your hand.

Dakkon Blackblade's power and toughness are each equal to the number of lands you control.

Target player reveals their hand and discards all nonland cards.

, Sacrifice this artifact: Exchange life totals with target opponent. Activate only during your upkeep.

, : Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

, Tap three untapped white creatures you control: Destroy target creature.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Shroud (This creature can't be the target of spells or abilities.)
: Until end of turn, Autumn Willow can be the target of spells and abilities controlled by target player as though it didn't have shroud.

At the beginning of your upkeep, you may sacrifice a Forest. If you sacrifice a snow Forest this way, this creature gains trample until end of turn. If you don't sacrifice a Forest, sacrifice this creature and it deals 7 damage to you.
: This creature deals damage equal to its power to another target creature. That creature deals damage equal to its power to this creature.

Flying
Whenever a creature dealt damage by this creature this turn dies, put that card onto the battlefield under your control at the beginning of the next end step. Sacrifice the creature when you lose control of this creature.

Flying
Whenever a creature dealt damage by Baron Sengir this turn dies, put a +2/+2 counter on Baron Sengir.
: Regenerate another target Vampire.

Trample
This creature enters tapped.
Cumulative upkeep—Sacrifice a land. (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.)