Whenever you cast a noncreature spell, draw a card.

This land enters tapped.
: Add .
, , Exile seven cards from your graveyard: Add . When you spend this mana to cast a spell or activate an ability, copy that spell or ability. You may choose new targets for the copy. (Mana abilities can't be copied.)

As this land enters, you may reveal a Forest or Island card from your hand. If you don't, this land enters tapped.
: Add or .

Trample
Whenever this Vehicle enters or attacks, create a tapped Vibranium token. (It's an artifact with indestructible and ": Add . This mana can't be spent to cast a nonartifact spell.")
: This Vehicle gets +1/+0 until end of turn.
Crew 2

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, put a shield counter on target creature an opponent controls.
Whenever you put one or more counters on a creature you don't control, tap that creature and goad it. It gains trample until your next turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

(: Add or .)
This land enters tapped unless you control two or more basic lands.

(: Add .)

Draw a card for each creature you control.
Ferocious — You gain 4 life for each creature you control with power 4 or greater.

Return target creature card from your graveyard to your hand. The Ring tempts you.

This land enters tapped.
Whenever a Forest you control enters, if you control at least five other Forests, target creature you control gets +3/+3 until end of turn.
: Add .

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Noncreature, non-Equipment artifacts you control are Equipment in addition to their other types and have "Equipped creature gets +1/+0" and equip .
Doctor's companion (You can have two commanders if the other is the Doctor.)

Prevent all damage that would be dealt to creatures and planeswalkers you control.
Whenever chaos ensues, create three tapped Treasure tokens. They each deal 1 damage to each creature and each planeswalker.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped.
: Add or .

When you cast this spell while you control your commander, copy this spell. You may choose a new target for the copy.
Return target permanent card from your graveyard to your hand.

As this enchantment enters, choose white-bordered or silver-bordered.
Whenever a creature you control with the chosen border enters, draw a card.

Whenever a modified creature you control attacks, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.)
Whenever you cast a spell from exile, put a +1/+1 counter on target creature you control.

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Roll a d20 and add the number of cards in your hand.
1—14 | Draw X cards.
15+ | Scry X, then draw X cards.