Whenever a creature you control deals combat damage to a player, choose one —
• Goad target creature that player controls.
• Exile the top card of that player's library. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Enchant creature
Enchanted creature gets +2/+1.

Vigilance, ward
Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

You have shroud. (You can't be the target of spells or abilities.)

Whenever Gerrard and Hanna attacks, you gain 1 life for each card in target opponent's hand. Then, choose one —
• Return target artifact or enchantment card from your graveyard to your hand.
• Tap up to one target creature.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Equipped creature gets +2/+0 and has deathtouch.
: Until end of turn, this Equipment gains "Whenever equipped creature deals combat damage to a player, that player loses the game."
Equip

Mill four cards. You may put a permanent card from among them into your hand. You gain 1 life. (To mill four cards, put the top four cards of your library into your graveyard.)

Spells your opponents cast that target Charix cost more to cast.
: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, destroy target artifact.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.
Trample, haste

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

Return each creature card with mana value X from your graveyard to the battlefield.

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

This land enters tapped unless you control two or more other lands.
: Add or .

Whenever you cast a creature spell, you may pay . If you do, return target creature to its owner's hand.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

This creature enters with three +1/+1 counters on it.
At the beginning of your upkeep, sacrifice this creature unless you remove a +1/+1 counter from it.
, Discard a card: Put a +1/+1 counter on this creature.