Meta-Cooler Core, Giant Force (Tournament Pack Vol. 8) (DB3-142) - Tournament Promotion Cards

[Activate:Main] [Once per turn] Choose up to 1 of your Meta-Cooler Tokens or yellow "Meta-Cooler" cards and it gains Blocker until the end of your next turn.
[+1] [Activate:Main] Play 1 Meta-Cooler Token in Rest Mode. (Meta-Cooler Tokens have 15000 power, 0 combo cost, and 5000 combo power.)
[-4] [Activate:Main] YYYX, if your Leader Card is yellow : Choose up to X of your opponent's cards and switch them to Rest Mode.