IT'S THE HEART OF THE CARDS, MAN

[ChaosEmerl]

I can post the rest in text, seeing as they have no art, so pictures would be a waste. Here's a group based on Santa's Reindeers:

Ice Age Blixem (WATER)
****
[Beast/Effect]
Once per turn, you can randomly discard 1 Card from your opponent's hand. If it was a Monster Card, your opponent chooses between the Monster's ATK and DEF and gains Life Points equal to the chosen value.
ATK/ 1700 DEF/ 400

Ice Age Comett (WIND)
***
[Beast/Effect]
This card can attack twice during the same Battle Phase. If you activate this effect, this card cannot attack during your next Battle Phase.
ATK/ 1500 DEF/ 400

Ice Age Cupid (LIGHT)
*
[Beast/Effect]
When this monster is selected as an attack target by your opponent's monster, you can switch the attack target to any monster on the field.
ATK/ 150 DEF/ 1800

Ice Age Dancer (EARTH)
***
[Beast/Effect]
If you control an "Ice Age Prancer", you can Special Summon this card from your hand. When this card is Normal Summoned or flipped face-up, you can add 1 "Ice Age Prancer" from the Deck to your hand.
ATK/ 700 DEF/ 1300

Ice Age Dasher (FIRE)
*****
[Beast/Effect]
If you Tribute Summon this Monster by Tributing an "Ice Age" Monster, Special Summon that Monster from the Graveyard during the End Phase of this turn.
ATK/ 2300 DEF/ 800

Ice Age Dunder (DARK)
[Beast/Gemini]
This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect:
* Once per turn, you can discard 1 card from your hand to negate the attack of 1 of your opponent's monsters, then at the end of the Battle Phase, draw 1 card.
ATK/ 600 DEF/ 1200

Ice Age Prancer (EARTH)
***
[Beast/Effect]
If you control an "Ice Age Dancer", you can Special Summon this card from your hand. When this card is Normal Summoned or flipped face-up, you can add 1 "Ice Age Dancer" from the Deck to your hand.
ATK/ 1300 DEF/ 700

Ice Age Rudolph (LIGHT)
****
[Beast/Effect]
"Ice Age" monsters you control can attack your opponent directly. Once per turn, you can look at your opponent's hand, or 1 face-down card on the field.
ATK/ 1700 DEF/ 1600

Ice Age Vixen (LIGHT)
*****
[Beast/Effect]
When this card is Tribute Summoned, your opponent gains control of it. This card cannot be tributed except for the Tribute Summon of an "Ice Age" monster. During each of your Standby Phases, your opponent gains 1000 Life Points.
ATK/ 1700 DEF/ 2800

Nikolai, Saint of the Ice Age (WATER)
*******
[Spellcaster/Effect]
During each player's Standby Phase, both players agree on one of the following effects (If you cannot agree, toss a coin. The winner decides.):
* Both players draw 1 card.
* Increase the Life Points of both players by 500 Points.
ATK/ 2500 DEF/ 1200

[ChaosEmerl]

Here is one that might seem unbalanced at first but then you realize how difficult it is to keep equip cards on the field.

The Unclothed Gentleman (EARTH)
**
[Fairy/Effect]
If this card is equipped with "A Hat", "A Fine Tuxedo", "Stunning Spectacles", "Ancient Cane", and "Gentlemen's Tap Shoes", you win the Duel.
ATK/ 0 DEF/ 0

A Hat (SPELL)
[Equip Spell Card]
The equipped monster gains 1 ATK.

A Fine Tuxedo (SPELL)
[Equip Spell Card]
The equipped monster gains 200 ATK. If the equipped monster is equipped with "A Hat", it gains an additional 759 ATK.

Stunning Spectacles (SPELL)
[Equip Spell Card]
Equip only to a monster with an original ATK equal to or less than 1000. The Equipped monster can attack your opponent directly.

Ancient Cane (SPELL)
[Equip Spell Card]
Equip only to a monster with an original ATK equal to or less than 300. The equipped monster gains 1000 ATK for every Equip Spell Card equipped to it.

Gentlemen's Tap Shoes (SPELL)
[Equip Spell Card]
This card can only be equipped to a monster with no equip cards equipped to it. The equipped monster cannot be selected as an attack target by your opponent's monster. If this card is in your Graveyard, you can add this card to your hand instead of conducting your normal draw during your Draw Phase.