Alpha Leprechaun

Pot of Gold: The Alpha Leprehaun has his signature pot of gold, he begins with 25 gold and regains 10 gold a turn, he may use this gold to perform a variety of actions.

Legendary Resistance(15 Gold): If the Alpha Leprechaun were to fail a saving throw, he succeeds instead.

Luck of the Irish: The Alpha Leprechaun has a stash of luck dice he stole from the Halflings, he may use Five Gold to make use of a luck die. (Lucky feat without a limit). 

• Whenever you make an attack roll, an ability check, or a saving throw, you can spend one luck point to roll an additional d20. You can choose to spend one of your luck points after you roll the die, but before the outcome is determined. You choose which of the d20s is used for the attack roll, ability check, or saving throw.
• You can also spend one luck point when an attack roll is made against you. Roll a d20 and then choose whether the attack uses the attacker's roll or yours.

Spellcasting. The Alpha Leprechaun is a 7th-level spellcaster. Its spellcasting ability is CHA (spell save DC 20, +10 to hit with spell attacks). The Alpha Leprechaun has following Bard spells prepared:

Absorb Magic: At the start of his turn, the Alpha Leprechaun can ansorb any magical effect, spending one Gold for every spell level, If Absorb Magic is used, the Alpha Leprechaun can't take an action or bonus action on his turn.

Cantrips (at will): Vicious Mockery, Minor illusion

1st level (4 slots): Silvery Barbs,  Dissonant Whispers, Earth Tremor, Puppet (UA)

2nd level (4 slots):  Heat Metal,  Shatter, Silence, Crown of Madness

3rd level (3 slots) Stinking Cloud, Plant Growth, Antagonize

4th level (3 slots) Confusion, Phantasmal Killer, Raulothim's Psychic Lance, Polymorph

5th level (3 slots) Dominate Person, Rary's Telepathic Bond, Synaptic Static

6th level (2 slots) Otto's Irresistible Dance, Eyebite

7th level (2 slots) Forcecage, Mordenkainen's Sword

Multiattack: The Alpha Goblin may use Memory-Wiping Presence, it them makes 3 Pinch Attacks.

Pinch. Melee Weapon Attack: +4 to hit, reach 10 ft., 1 target. Hit:  12+2d12 bludgeoning damage. 

End of the Rainbow (15 Gold) The Alpha Leprechaun shoots out a rainbow from its fingertips, each beam targeting one enemy that can be seen at a max of eight. These beams act in accordance with the Prismatic Spray spell. If a player is petrified they instead turn to gold and may be added to his pot as an additional 40 gold.

Irish Presence (20 Gold): The Alpha Leprechaun wants to party, everyone who can see the Leprechaun must made a DC 16 CON saving throw or become drunk and have disadvantage on all DEX saving throws, they may reroll the save at the end of each turn,  successfully passing the save makes them immune to the effect for 24 hours.

Refreshing Pint (Gold): The Alpha Leprechaun pulls out a fresh pint of Guinness to drink away his problems. (He can use Gold to remove any conditions that might be affecting him). Each condition takes 1 Gold to remove. 

Immovable Spears of Vengeance(15 Gold): Ranged spell attack, +12 to hit. 4 targets. On a hit: 3d6 Force damage. If the target is a creature it is knocked prone and restrained as the immovable spear peirces them into the ground. The target may attempt to free themselves of an ally with a DC 20 STR  (Athletics) check. The conditions also ends if the Leprechaun summons the spears back to him to use against a different target.

I Want Shiny!: If a magic item is used while within 30 feet of the Alpha Leprechaun he may steal it, adding it to his pot of gold, the cost to steal items depends on the items rarity

Legendary: 30 Gold

Very rare: 20 Gold

Rare: 15 Gold

Uncommon: 10 Gold

Arcane Recovery: The Alpha Leprechaun may recover spell slots at the cost of one Gold/spell level

Small, Tiny: The Alpha Leprechaun may cast Enlarge/Reduce without using a spell slot

Serpentine Form(10 Gold): The Alpha leprechaun may use it's bonus action to turn into a Giant Constrictor Snake, it may use a bonus action to leave this form. It automatically leaves this form if it reaches 0 HP.

Mind-numbing mockery(10 Gold): When the Alpha Leprechaun hits a target with a spell attack, they may use their reaction to have them make a DC 16 WIS saving throw or they lose one point of INT to a minimum of 4.

The Alpha Leprechaun may take 4 Legendary actions, only at the end of another players turn, any one action may only be used once

Gilded Goblin: When the Alpha Leprechaun is bloodied he douses himself in molten gold from his pot, increasing his AC by 3

4 Leaf Clover: The Alpha Leprechaun uses a clover to heal his wounds, He gains 2d12 HP per leaf.

Molten Tsunami: The Alpha Leprechaun goes to his last resort, dumping out his molten pot of gold (he can remelt it later anyways). This causes a 50 foot wide wave of molten gold to cross the field for 30 feet, all caught in it's wake take 40+2d12 fire damage and any who move in the area afterwards take 1d6 fire damage per 10 feet of movement. After this action is done he may no longer regenerate gold.