Next to the attacks and abilities on the Character card, you will see the attack cost, which indicates how much and what type of energy you need to use in a move
Triskaidekaphile is probably worth a slot since putting lands into your hand at instant speed could creep you up to thirteen cards and the win condition, and other than that, the card draw ability and no maximum hand size are going to be useful
Turn it face up any time for its mana cost if it's a creature card.) Sacrifice this creature: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library." Sacrifice this creature: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library." Creature - Elemental Yarus, Roar of the Old Gods Other creatures you control have haste
This is one of the best cards to start your plays with, because if it is Normal or Special Summoned, you can add any Level 4 or lower Magnet Warrior monster from your Deck to your hand
But whats more interesting to me is that: my original method for making fake cards ever since day one was with Photoshop but after discovering the ways that cards are actually designed, it has changed my perspective on card design in general
The Yang Zing variant is notably popular due to the 1-card combo for a double negation