mtg ability counter cards Ikoria Counters MTG Abilities Keywords Counter Wheel,

In the case of the decklists you find occasionally under the Decks tab of the store, the gem value is quite inflated

Saddle only as a sorcery.) "Saddle N" means "Tap any number of other untapped creatures you control with total power N or greater: This permanent becomes saddled until end of turn

Vanquisher's Banner and Icon of Ancestry work like this, giving all your Goblins +1/+1, but the more Goblin lords you control, the more of a threat your swarm of 1/1 creeps will be

Mycosynth Golem $12 Mycosynth Golem has been $12 for years

You can check out Magics official decklists to see what more advanced players are using and perhaps use that as a jumping-off point