With Skilled Combatant, whenever Robin Hood, Champion of Sherwood banishes another character in a challenge then the player automatically gains two lore
buffing a creatures toughness
Sure, Kaervek's Torch can kill one creature or be sent to the dome for the win, Ray of Command would generate at minimum two-for-one card advantage every time it was cast
Inversely, there is Marisi, Breaker of the Coil, who wants you to punch opponents quickly and often to send the game careening to its conclusion with a board full of goaded creatures
Also consider Mana Echoes for an easy 2-card infinite
I mean, I did say this was about slowing down games , and nothing slows down games like leaving four players with hands of uncastable spells