At the beginning of your end step, goad up to one target creature you don't control and put a +1/+1 counter on this creature. This creature phases out.

Flash
When Renet enters, return each other nonland permanent that entered this turn to its owner's hand.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.
, : Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

Put target creature on top of its owner's library.

Flying
Whenever a nontoken artifact you control enters, you may pay . If you do, create a token that's a copy of that artifact.

Demonstrate
Create a token that's a copy of target permanent you control.

Exploit
When this creature exploits a creature, return target instant or sorcery card from your graveyard to your hand.

Return target creature to its owner's hand.
Draw a card.

, , Sacrifice another artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Return target permanent to its owner's hand.
Cycling

Return target permanent you control to its owner's hand.

Flash
Flying
When Rescue enters, return up to one other target artifact or creature you control to its owner's hand. If it was an artifact, put a +1/+1 counter on Rescue.

Flying
As this creature enters, you may return a nonland permanent you control to its owner's hand. If you do, this creature enters with a +1/+1 counter on it.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

, : Draw a card, then discard a card.

Draw a card. Clash with an opponent. If you win, return Research the Deep to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Flash
Flying
Whenever an artifact creature you control deals combat damage to a player, draw a card.

Trample, ward
At the beginning of each combat, if this creature is untapped, any opponent may tap an untapped creature they control. If they do, tap this creature and create a 1/1 blue Fish creature token with "This token can't be blocked."

Cast this spell only during an opponent's turn after their upkeep step.
Untap all lands you control.

Return target permanent to its owner's hand.
Cycling
When you cycle this card, return two target permanents to their owners' hands.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
Other permanents you control have hexproof.

Counter target spell unless its controller pays , where X is its mana value.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Return all artifacts you control to their owner's hand.

Until end of turn, target creature gains ": Return target nonland permanent to its owner's hand."

Landfall — Whenever a land you control enters, choose one —
• You may tap or untap target creature.
• Scry 1.

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

Create a 3/3 blue Robot Warrior artifact creature token. Then if this spell was cast from a graveyard, put two +1/+1 counters on that token.
Flashback

Flash
Enchant creature
Enchanted creature is a Turtle with base power and toughness 0/1. It can't attack and loses all abilities. (It also loses all other creature types.)

Target creature's owner puts it on their choice of the top or bottom of their library. You create a Mutagen token.