Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on this creature, you may draw a card.

When this enchantment enters, you get (two energy counters).
You may cast creature spells with mana value 3 or less by paying rather than paying their mana costs. If you cast a spell this way, you may cast it as though it had flash.

When this creature enters, look at the top X cards of your library, where X is the number of Forests you control. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When this creature enters, you get (three energy counters).
Pay : This creature gets +X/+X until end of turn, where X is its power.

Destroy all Auras and Equipment attached to target creature.

Visit — Choose "an elf or goblin," "a tail," or "a flying creature or flying vehicle" at random. You have ten seconds to search your library and reveal a card with the chosen item in its art. If you do, claim the prize! Then shuffle.
Prize — You get {TK}{TK}, then you may put a sticker on a nonland permanent you own. Sacrifice Scavenger Hunt and open an Attraction.

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

If a player would add mana, instead all players add that mana.

Choose two —
• Destroy all artifacts.
• Destroy all enchantments.
• Destroy all creatures with mana value 3 or less.
• Destroy all creatures with mana value 4 or greater.

Flash
Flying
This creature has hexproof as long as you haven't cast a spell this turn.

When this creature enters, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

This creature has flying as long as it's attacking.

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.
Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on this creature.

Vigilance
, : Create a tapped token that's a copy of target token that entered this turn.
Doctor's companion (You can have two commanders if the other is the Doctor.)

Enchant creature
Enchanted creature has first strike.
Threshold — Enchanted creature gets +3/+0 as long as there are seven or more cards in your graveyard.

: Add one mana of any color in your commander's color identity.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Spree (Choose one or more additional costs.)
+ — Search your library for a basic land card or a Desert card, put it onto the battlefield, then shuffle.
+ — Create an X/X green Elemental creature token, where X is the number of lands you control.

Trample, haste
Battalion — Whenever this creature and at least two other creatures attack, for each opponent, goad up to one target creature that player controls. Those creatures can't block this turn. (Until your next turn, they attack each combat if able and attack a player other than you if able.)

When this creature enters, you gain 3 life.