Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

Phantom Warrior can't be blocked.

As an additional cost to cast this spell, sacrifice two creatures.
Destroy target artifact.

: Target opponent reveals a card at random from their hand. You gain life equal to that card's converted mana cost.

Purraj of Urborg has first strike as long as it's attacking.
Whenever a player casts a black spell, you may pay . If you do, put a +1/+1 counter on Purraj of Urborg.

Pyroclasm deals 2 damage to each creature.

All Slivers have ": This permanent deals 1 damage to target attacking or blocking creature."

, : Target land becomes a 2/2 green creature that's still a land. (This effect lasts indefinitely.)

: Target black or green creature gains haste until end of turn. (It can attack and this turn.)

Create two 1/1 white Soldier creature tokens.

Each player sacrifices all permanents that are rare or mythic rare, then each player reveals their hand and discards all cards that are rare or mythic rare.

: Destroy target artifact, creature, or land you control.

As an additional cost to cast this spell, discard X cards.
Return X target creature cards from your graveyard to your hand.

Flying
Whenever Robber Fly becomes blocked, defending player discards all the cards in their hand, then draws that many cards.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Wall creatures can attack as though they didn't have defender.

When a spell or ability an opponent controls causes you to discard Sand Golem, return Sand Golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step.

Searing Wind deals 10 damage to any target.

When you control no Islands, sacrifice Seasinger.
You may choose not to untap Seasinger during your untap step.
: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped.

: Add .
, : Shivan Gorge deals 1 damage to each opponent.