When Elvish Harbinger enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.: Add one mana of any color.
You may exile two green cards from your hand rather than pay this spell's mana cost.Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.
Whenever another Goblin you control is put into a graveyard from the battlefield, you may have Boggart Shenanigans deal 1 damage to target player or planeswalker.
Cycling (, Discard this card: Draw a card.)When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.
Haste (This creature can attack and as soon as it comes under your control.)When Goblin Ringleader enters, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.
Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it.Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)When Sylvan Messenger enters, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.