Make the range of cards that fulfill the sacrifice effect matter, be in black, and figure a way to recover this and cast it again
You may play the land later from exile.) Island Rarity: Common TYPE: Basic Land SUBTYPE: Island CMC: 0 Mana cost: USD: $0.27 EUR: 0.13 TIX: 0.03 EDHREC RANK: - ( : Add .) Island Rarity: Common TYPE: Basic Land SUBTYPE: Island CMC: 0 Mana cost: USD: $1.32 EUR: 1.36 TIX: 0.00 EDHREC RANK: - ( : Add .) Island Rarity: Common TYPE: Basic Land SUBTYPE: Island CMC: 0 Mana cost: USD: $0.25 EUR: 0.13 TIX: 0.03 EDHREC RANK: - ( : Add .) Island Rarity: Common TYPE: Basic Land SUBTYPE: Island CMC: 0 Mana cost: USD: $0.30 EUR: 0.16 TIX: 0.03 EDHREC RANK: - ( : Add .) Item Shopkeep Rarity: Common TYPE: Creature SUBTYPE: Human Citizen CMC: 2 Mana cost: USD: $0.12 EUR: 0.05 TIX: 0.03 EDHREC RANK: 13877 (2/2) Whenever you attack, target attacking equipped creature gains menace until end of turn
Those keywords are nice, but you're still going to feel like you're overpaying in a big way
These are modal instants that have a flexible mana cost
however, area of effect (AOE) abilities can still affect them
However, other variations, such as Bridge-sized playing cards, are larger than MTG card measurements