{T}: Add {G}.

Flying Whenever this creature or another Dragon you control enters, you gain 3 life.

Impending 4—{1}{G}{G} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever this permanent enters or attacks, create a tapped colorless land token named Everywhere that is every basic land type.

Flying When this creature enters, return up to two other target nonland permanents to their owners' hands.

Impending 4—{2}{R}{R} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever this permanent enters or attacks, it deals 4 damage to any target.

Trample Whenever this creature or another creature you control with power 4 or greater enters, you gain 3 life and draw a card. When this creature dies, if it's not a token, create a token that's a copy of it, except it's an artifact in addition to its other types.

This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

Flying, protection from white and from black When Ureni enters, it deals X damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control, where X is the number of lands you control.

Protection from everything If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Torch the Tower deals 2 damage to target creature or planeswalker. If this spell was bargained, instead it deals 3 damage to that permanent and you scry 1. If a permanent dealt damage by Torch the Tower would die this turn, exile it instead.

Spree (Choose one or more additional costs.) + {2} — Mill four cards. You may put up to two creature and/or land cards from among the milled cards into your hand. + {4}{G} — You may put up to two creature cards from your hand onto the battlefield. + {1} — Creatures you control with power 4 or greater gain hexproof and indestructible until end of turn.

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

({T}: Add {U}.)

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {U}. {U}, {T}: The next spell you cast this turn can't be countered.

({T}: Add {R}.)

({T}: Add {G}.)

{T}: Add {R}. {T}: Add {U}. Activate only if you control an Island or a Mountain.

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {G}.

{T}: Add {C}. {T}: Add {R} or {G}. This land deals 1 damage to you.

{T}: Add {R}. {T}: Add {G}. Activate only if you control a Mountain or a Forest.

{T}: Add {U}. {T}: Add {G}. Activate only if you control a Forest or an Island.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {C}. {2}, {T}, Sacrifice a token: Draw a card. {3}, {T}, Pay 1 life: Create a 1/1 blue Fish creature token. {4}, {T}: Create a Treasure token.