If your deck's key engine is a 4cmc commander like Kaalia of the Vast, for example, then you will want to run ramp cards that can get her out faster, which means ramp that is between 0-2cmc so you can cast Kaalia on turn 3 or earlier instead of her usual turn 4
This means it can be used to pay a 1 Energy, 2 Energy, or 3 Energy Retreat Cost (as long as its effect is active)
You can place them here face up to activate them, or face down
Kellan, Daring Traveler Im just not sure I see it yet
Red Wyvern Type Synchro Monster Attribute FIRE Typing Dragon Level/Rank 6 ATK 2400 DEF 2000 Typings Synchro / Effect TCG Date 2015-10-01 OCG Date 2015-08-22 Card Text 1 Tuner + 1 or more non-Tuner monsters During either player's turn, if a monster with higher ATK than this Synchro Summoned card is on the field: You can destroy the 1 face-up monster on the field that has the highest ATK (your choice, if tied)
Not majorly so