mtg.wtf

Haste
Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.

Flying, vigilance
Disguise {W/U}{W/U}
When Granite Witness is turned face up, you may tap or untap target creature.

Put target creature card from a graveyard onto the battlefield under your control. It gains haste.
Basic landcycling {2}

{3}{G}: Gravel-Hide Goblin gets +2/+2 until end of turn.

Persist

Whenever you cast a blue spell, Gravelgill Duo gets +1/+1 until end of turn.
Whenever you cast a black spell, Gravelgill Duo gains fear until end of turn.

{T}: Add {C}.
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

Graypelt Refuge enters tapped.
When Graypelt Refuge enters, you gain 1 life.
{T}: Add {G} or {W}.

Each outlaw creature card in your graveyard has encore {X}, where X is its mana value.

Starting intensity 1
Menace
At the beginning of your upkeep, sacrifice Great Desert Hellion unless you discard a card. If you discard a card this way, Great Desert Hellion intensifies by 1.
When Great Desert Hellion leaves the battlefield, you may discard your hand. If you do, draw cards equal to Great Desert Hellion's intensity.

Draw three cards. Then target opponent faces a villainous choice — They discard three cards, or you may cast a spell from your hand without paying its mana cost.

Skulk
Whenever Gregor, Shrewd Magistrate deals combat damage to a player, draw cards equal to its power.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, create a 1/1 red Gremlin creature token.

When Grenzo enters and at the beginning of your upkeep, heist target opponent's library.
Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own with mana value 3 or less.

Grenzo, Dungeon Warden enters with X +1/+1 counters on it.
{2}: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.

Menace
Greven, Predator Captain gets +X/+0, where X is the amount of life you've lost this turn.
Whenever Greven attacks, you may sacrifice another creature. If you do, you draw cards equal to that creature's power and you lose life equal to that creature's toughness.

Grief Tyrant enters with four -1/-1 counters on it.
When Grief Tyrant dies, put a -1/-1 counter on target creature for each -1/-1 counter on Grief Tyrant.

Grimgrin, Corpse-Born enters tapped and doesn't untap during your untap step.
Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.
Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.

Ground Assault deals damage to target creature equal to the number of lands you control.

Trample
Landfall — Whenever a land you control enters, Grove Rumbler gets +2/+2 until end of turn.

{T}: Add {C}.
{T}: Add {R} or {G}. Each opponent gains 1 life.

{T}: Add {C}.
{3}{G}{W}, {T}, Tap two untapped creatures you control, Sacrifice Grove of the Guardian: Create an 8/8 green and white Elemental creature token with vigilance.

Rally — Whenever Grovetender Druids or another Ally you control enters, you may pay {1}. If you do, create a 1/1 green Plant creature token.

At the beginning of your upkeep, populate.