Whenever Aetherplasm blocks a creature, you may return Aetherplasm to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.

First strike
, : Attacking creatures gain first strike until end of turn.

: Look at the top card of your library.
: Reveal the top card of your library. If it's a land card, Cruel Deceiver gains "Whenever Cruel Deceiver deals damage to a creature, destroy that creature" until end of turn. Activate this ability only once each turn.

Indestructible (Damage and effects that say "destroy" don't destroy this artifact.)
: Darksteel Brute becomes a 2/2 Beast artifact creature until end of turn.

Whenever Gemini Engine attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to Gemini Engine's power and its toughness is equal to Gemini Engine's toughness. Sacrifice the token at end of combat.

When Magma Giant enters the battlefield, it deals 2 damage to each creature and each player.

As Meddling Mage enters the battlefield, choose a nonland card name.
Spells with the chosen name can't be cast.

: Tap target artifact.

Flying
When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.

Other Snake creatures you control get +0/+1.
Shamans you control have ": Add ."

Soulshift 7 (When this creature dies, you may return target Spirit card with converted mana cost 7 or less from your graveyard to your hand.)

Ulasht, the Hate Seed enters the battlefield with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each other green creature you control.
, Remove a +1/+1 counter from Ulasht: Choose one —
• Ulasht deals 1 damage to target creature.
• Create a 1/1 green Saproling creature token.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Return target creature to its owner's hand.

, : Flip a coin. If you win the flip, create a 2/2 colorless Insect artifact creature token with flying named Wirefly. If you lose the flip, destroy all permanents named Wirefly.