Castle [Summer Magic / Edgar]Set: Summer Magic Edgar Type: Enchantment Rarity: Uncommon Cost: {3}{W} Untapped creatures you control get +0 +2.

This mouse won't catch itself

it deals that much damage to its controller

Set: Summer Magic / Edgar Type: Artifact Rarity: Uncommon Cost: {3} Basalt Monolith doesn't untap during your untap step

you may search your library for an enchantment card with mana value 3 or less

Set: San Diego Comic-Con 2019 Type: Legendary Planeswalker — Bolas Rarity: Mythic Cost: {U}{B}{B}{B}{R} Nicol Bolas

{U}: Morphling gains flying until end of turn

if that spell's mana cost is {3}{U}{U}

Set: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep

Set: Ixalan Promos Type: Creature — Merfolk Warrior Rarity: Rare Cost: {3}{U} Creatures you control with +1/+1 counters on them can't be blocked

{G}: Regenerate River Boa

Titania is literally an aspect of the forest itself

New Zealand