As an additional cost to cast this spell, sacrifice all permanents you control and discard your hand.
Target player loses 5 life.

When this creature enters, sacrifice it unless you return three basic lands you control to their owner's hand.
, Return this creature to its owner's hand: Destroy target creature. It can't be regenerated. That creature's controller creates a 0/1 green Sheep creature token.

, : Target land becomes a 2/2 green creature that's still a land. (This effect lasts indefinitely.)

When this creature becomes the target of a spell or ability, sacrifice it.

, Sacrifice this creature: Target opponent discards a card at random. Activate only as a sorcery.

Exile the top three cards of your library face down. You may look at those cards for as long as they remain exiled. Until your next turn, you may play those cards. At the beginning of your next upkeep, put any of those cards you didn't play into your graveyard.

Destroy all creatures with power 4 or greater. They can't be regenerated.

At the beginning of each player's upkeep, that player may sacrifice a creature of their choice. If that player doesn't, they lose 5 life and you sacrifice this enchantment.

Flying
: This creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

First strike
Sacrifice this creature: Put a +2/+2 counter on target Chimera creature. It gains first strike. (This effect lasts indefinitely.)

Reveal the first card you draw each turn. Whenever you reveal a basic land card this way, draw a card.

As an additional cost to cast this spell, sacrifice a green creature.
Search your library for a green creature card, put it onto the battlefield, then shuffle.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Flying
At the beginning of your upkeep, sacrifice this creature unless you return an untapped Island you control to its owner's hand.

Flying
, Sacrifice a creature: Regenerate this creature.

Target player draws two cards.

, : Create a 0/1 colorless Prism artifact creature token.
Sacrifice a Prism token: Add one mana of any color.

Vigilance
Sacrifice this creature: Put a +2/+2 counter on target Chimera creature. It gains vigilance. (This effect lasts indefinitely.)

Trample
Sacrifice this creature: Put a +2/+2 counter on target Chimera creature. It gains trample. (This effect lasts indefinitely.)

Flying
Sacrifice this creature: Destroy target black creature.

Flying
Sacrifice this creature: Put a +2/+2 counter on target Chimera creature. It gains flying. (This effect lasts indefinitely.)

Destroy target artifact, enchantment, or land.

Flash

Creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, return a green creature you control to its owner's hand.

Whenever a player casts a red spell, you may pay . If you do, this enchantment deals 1 damage to any target.

At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard.

, Sacrifice this creature: Create a 1/1 green Insect creature token with flying named Butterfly at the beginning of the next end step.

First strike
When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

, Sacrifice this artifact: Create X 1/1 green Snake creature tokens. Activate only as a sorcery.

Sacrifice a nontoken permanent. If you do, target opponent loses 2 life unless that player sacrifices a permanent of their choice or discards a card. You may repeat this process any number of times.

Each player skips their untap step.
At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

: Add .

Flying
: This creature gets +0/+1 until end of turn. Activate only once each turn.
Sacrifice this creature and a creature named Spitting Drake: Search your library for a card named Viashivan Dragon, put that card onto the battlefield, then shuffle.

Flying
: This creature gets +1/+0 until end of turn. Activate only once each turn.