Untap target creature. It gets +1/+4 and gains reach until end of turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost less to cast.

Trample
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

, Discard a card at random: Stormscale Anarch deals 2 damage to any target. If the discarded card was multicolored, Stormscale Anarch deals 4 damage instead.

Destroy all Auras and Equipment attached to target creature.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

Whenever Terra Ravager attacks, it gets +X/+0 until end of turn, where X is the number of lands defending player controls.

You may pay rather than pay the echo cost for permanents you control.
: Thick-Skinned Goblin gains protection from red until end of turn.

, Sacrifice a nontoken artifact: Create a 1/1 blue Thopter artifact creature token with flying. You gain 1 life.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Whenever you crank Top-Secret Tunnel, target creature can't be blocked this turn.

When Trusty Retriever enters the battlefield, choose one —
• Put a +1/+1 counter on Trusty Retriever.
• Return target artifact or enchantment card from your graveyard to your hand.

Whenever you crank Twiddlestick Charger, tap or untap target creature.

Target player sacrifices a creature. You draw cards equal to that creature's power.

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

: 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.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.
Veinfire Borderpost enters the battlefield tapped.
: Add or .

As Vesuvan Shapeshifter enters the battlefield or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has "At the beginning of your upkeep, you may turn this creature face down."
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Other creatures you control get +0/+1.