High end

If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. T: Add C. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

The Watcher in the Water enters tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token. Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.

T: Add C. 1W, T: Prevent all combat damage that would be dealt by target attacking creature this turn.

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

This artifact enters tapped. 1, T: Destroy all artifacts, creatures, and enchantments.

Raphael must be blocked if able. Enrage — Whenever Raphael is dealt damage, add that much R. Until end of turn, you don't lose this mana as steps and phases end.

T: Put three +1/+1 counters on target artifact you control. If it isn't a creature, it becomes a 0/0 Robot creature in addition to its other types. Activate only as a sorcery. Whenever an artifact you control is put into a graveyard from the battlefield, if it had counters on it, put those counters on up to one target artifact or creature you control.

Equipped creature gets +3/+1. Whenever equipped creature attacks, create two tapped 1/1 white Spirit creature tokens with flying. If that creature is legendary, instead create two of those tokens that are tapped and attacking. Equip 2

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

This land enters tapped unless you control a Plains. T: Add W. 2WW, T: Create a 1/1 white Human creature token.

You may have this enchantment enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Other Goblins get +1/+1 and have mountainwalk.

At the beginning of your upkeep, this creature deals 1 damage to you.

(T: Add W or B.)

You may play any number of lands on each of your turns. Whenever you play a land, if it wasn't the first land you played this turn, this enchantment deals 1 damage to you.

T: Add one mana of any type that a land you control could produce.

G, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

(T: Add G or W.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, this creature deals 8 damage to you unless you pay GGGG.

Destroy all creatures. They can't be regenerated.

T: Draw two cards, then discard three cards.

(T: Add U or B.) As this land enters, you may pay 2 life. If you don't, it enters tapped.