As an additional cost to cast this spell, discard X cards.
Firestorm deals X damage to each of X targets.

Target creature gets +3/+3 and gains first strike until end of turn.

Flying
At the beginning of your upkeep, Fledgling Djinn deals 1 damage to you.

Each player discards any number of cards, then draws that many cards.
Draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Fog Elemental attacks or blocks, sacrifice it at end of combat.

Foriysian Brigade can block an additional creature each combat.

, Sacrifice a Forest: Put a +2/+2 counter on Fungus Elemental. Activate this ability only if Fungus Elemental entered the battlefield this turn.

Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When Gaea's Blessing is put into your graveyard from your library, shuffle your graveyard into your library.

Trample
Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Gemstone Mine enters the battlefield with three mining counters on it.
, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

You gain 2 life for each card in your hand.

At the beginning of your upkeep, you may flip a coin. If you win the flip, put a fuse counter on Goblin Bomb. If you lose the flip, remove a fuse counter from Goblin Bomb.
Remove five fuse counters from Goblin Bomb and sacrifice it: It deals 20 damage to target player or planeswalker.

Whenever Goblin Grenadiers attacks and isn't blocked, you may sacrifice it. If you do, destroy target creature and target land.

Whenever Goblin Vandal attacks and isn't blocked, you may pay . If you do, destroy target artifact defending player controls and Goblin Vandal assigns no combat damage this turn.

Target creature gets +1/+0 and gains first strike until end of turn.
Draw a card.

When Harvest Wurm enters the battlefield, sacrifice it unless you return a basic land card from your graveyard to your hand.

As an additional cost to cast this spell, exile X creature cards from your graveyard.
Haunting Misery deals X damage to target player or planeswalker.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When a player doesn't pay Heart of Bogardan's cumulative upkeep, Heart of Bogardan deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls, where X is twice the number of age counters on Heart of Bogardan minus 2.

At end of combat, destroy each creature that blocked or was blocked this turn.

: Heavy Ballista deals 2 damage to target attacking or blocking creature.