Menace (This creature can't be blocked except by two or more creatures.)
When Ultimo enters, each opponent sacrifices a creature of their choice.
, Discard this card: Each opponent sacrifices a creature of their choice.

Equipped creature gets +0/+1.
As long as equipped creature's toughness is greater than its power, it assigns combat damage equal to its toughness rather than its power.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Infusion — When this creature enters, target creature an opponent controls gets -4/-4 until end of turn if you gained life this turn.

As an additional cost to cast this spell, behold a Kithkin or pay . (To behold a Kithkin, choose a Kithkin you control or reveal a Kithkin card from your hand.)
Whenever another creature you control enters, this creature gets +1/+1 until end of turn.

, Sacrifice this creature: Destroy target artifact or enchantment.

Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 3+.)
3+ | Flying, haste

Choose one or both —
• Target creature gets -1/-1 until end of turn.
• Put a +1/+1 counter on target creature.

Trample
Whenever Genghis Frog or another Mutant you control enters, create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

, , Sacrifice another artifact or land: Draw a card.

The owner of target creature an opponent controls puts it into their library second from the top or on the bottom. Then up to one target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

Haste
When Wolverine enters, he fights up to one other target creature.
If damage would be dealt to Wolverine, instead that damage is dealt, but all other damage already dealt to him is healed.

Put onto the battlefield under your control all creature cards in your opponents' graveyards that were put there from the battlefield this turn. They are Food artifacts with ", , Sacrifice this artifact: You gain 3 life." (They lose all other types and subtypes.)

Whenever this creature enters or attacks, you may blight 2. If you do, you draw a card and lose 1 life. (To blight 2, put two -1/-1 counters on a creature you control.)

Target creature gets +3/+0 and gains haste until end of turn.
Harmonize (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by , where X is its power. Then exile this spell.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Return one or two target nonland permanents to their owners' hands. Then if you control a Merfolk, create a 1/1 white and blue Merfolk creature token for each permanent returned to its owner's hand this way.

, Exile a creature card from your graveyard: Create a 1/1 green Saproling creature token.
Sacrifice two Saprolings: You gain 2 life and draw a card.

This creature enters tapped.
Whenever this creature attacks, you may pay . If you do, return target creature card from your graveyard to your hand.

: Add .
, Pay 1 life: Add .
, , Sacrifice a Desert: Target player mills four cards. (They put the top four cards of their library into their graveyard.)

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
, Sacrifice this land: Target creature with power 2 or less can't be blocked this turn.