Whenever you cast a prepared spell, copy it. You may choose new targets for the copy.
, : Each creature you control becomes prepared. (Only creatures with prepare spells can become prepared.)

Whenever a creature enters, its controller sacrifices a creature or land of their choice.

Each player draws a card for each creature card in their graveyard.

This land enters tapped with two depletion counters on it.
, Remove a depletion counter from this land: Add . If there are no depletion counters on this land, sacrifice it.

Flying
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
: This creature gets +1/+0 until end of turn.

Choose one. If you control a commander as you cast this spell, you may choose both instead.
• Creatures you control gain flying, vigilance, and double strike until end of turn.
• Creatures you control gain lifelink, indestructible, and protection from each color until end of turn.

: Add . This land deals 2 damage to you.

, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When this artifact is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with this artifact but that a mire counter has not been removed from with this artifact.

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Zhou Yu can't attack unless defending player controls an Island.

Flying
: This creature gets +0/+1 until end of turn.

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

You may have this creature enter as a copy of any creature on the battlefield.

(: Add .)

Destroy target creature or planeswalker.

Return target card from your graveyard to your hand.

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."

Return target creature card from your graveyard to your hand.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip

When an opponent casts an instant spell, if this permanent is an enchantment, it becomes a 4/4 Ape creature.