If you would create one or more tokens, instead create those tokens plus an additional Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
At the beginning of your end step, if you gained life this turn, draw a card.

This creature gets +0/+2 as long as you control a Plains, has flying as long as you control an Island, gets +2/+0 as long as you control a Swamp, has first strike as long as you control a Mountain, and has trample as long as you control a Forest.

As Power Level Analyzer enters the battlefield, you and target opponent each secretly choose a number between 1 and 10, then reveal. Power Level Analyzer enters with a number of +1/+1 counters equal to the distance between the two numbers. If both players chose the same number, put seven +1/+1 counters on Power Level Analyzer instead.

Flying
Whenever Vaevictis Asmadi attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card.

Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

Flying
At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."
Pay 10 life: Untap all lands you control. Activate only once each turn.

: Add one mana of any color that a land an opponent controls could produce.

Flying, first strike
: This creature gets +1/+1 until end of turn. Any player may activate this ability.
: This creature gets -1/-1 until end of turn. Any player may activate this ability.

Flash
Haste

Tokens you control have ": Add ."
Choose a Background (You can have a Background as a second commander.)

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Counter target noncreature spell.

Shock deals 2 damage to any target.

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
, Sacrifice this artifact: Add three mana of any one color.

This land enters tapped. As it enters, choose a color.
: Add one mana of the chosen color.
: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

Flying
Whenever an opponent draws a card, choose one that hasn't been chosen —
• Make Friends — Create a 1/1 colorless Gamer creature token.
• Find Cards — Investigate.
• Win Prize Tickets — Create a Treasure token.
• Go to Sleep — Exile this creature, then return it to the battlefield under its owner's control.

At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield.
As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Flying
When Niv-Mizzet enters, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

Enchant creature
Enchanted creature does not simply untap during its controller's untap step.
Enchanted creature has nonbasic landwalk. (It can't simply be blocked as long as defending player controls a nonbasic land.)