When Temple Acolyte enters the battlefield, you gain 3 life.

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

Flying
Tetravus enters the battlefield with three +1/+1 counters on it.
At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."
At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

Draw a card for each tapped creature target opponent controls.

Whenever Thing from the Deep attacks, sacrifice it unless you sacrifice an Island.

Flying
When Thunder Dragon enters the battlefield, it deals 3 damage to each creature without flying.

Time Vault enters the battlefield tapped.
Time Vault doesn't untap during your untap step.
If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.
: Take an extra turn after this one.

Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its converted mana cost. If Titania's Song leaves the battlefield, this effect continues until end of turn.

Sacrifice an artifact. If you do, search your library for an artifact card. If that card's converted mana cost is less than or equal to the sacrificed artifact's converted mana cost, put it onto the battlefield. If it's greater, you may pay , where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle your library.

, : Put a hatchling counter on Triassic Egg.
Sacrifice Triassic Egg: Choose one —
• You may put a creature card from your hand onto the battlefield. Activate this ability only if two or more hatchling counters are on Triassic Egg.
• Return target creature card from your graveyard to the battlefield. Activate this ability only if two or more hatchling counters are on Triassic Egg.

(: Add or .)

Destroy all Islands.

(: Add or .)

Trample
Two-Headed Giant of Foriys can block an additional creature each combat.

(: Add or .)

Whenever a player casts an artifact spell, you may pay . If you do, you gain 1 life.

: Add . If you control an Urza's Power-Plant and an Urza's Tower, add instead.

Whenever an artifact you control is put into a graveyard from the battlefield, if it wasn't sacrificed, you may pay . If you do, draw a card.

: Add . If you control an Urza's Mine and an Urza's Tower, add instead.

: Add . If you control an Urza's Mine and an Urza's Power-Plant, add instead.